{"title":"BOX Altitude","description":"","products":[{"product_id":"box-altitude-sleep-cloud","title":"BOX Altitude Sleep Cloud","description":"\u003cdiv class=\"product-pdp\"\u003e\n\n  \u003c!-- ============ OVERVIEW ============ --\u003e\n  \u003csection class=\"section section--cream\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003cdiv class=\"overview\"\u003e\n        \u003cdiv class=\"overview__copy\"\u003e\n          \u003cp class=\"eyebrow\"\u003eBox Altitude · Sleep Cloud\u003c\/p\u003e\n          \u003ch1 class=\"overview__title\"\u003eSleep at altitude. Train at sea level. Adapt either way.\u003c\/h1\u003e\n          \u003cp class=\"overview__lede\"\u003eA four-post tent that goes over your bed and drops the oxygen content of the air you sleep in to a chosen altitude — quietly, all night, under app control.\u003c\/p\u003e\n          \u003cp class=\"overview__body\"\u003eThe Sleep Cloud is the Live High \/ Train Low approach in physical form. You sleep inside a hypoxic environment that the F10 or F20 generator builds and the Altitude Sensor keeps honest. Your body adapts during the hours you'd already spend in bed; your training stays at sea level where you can hold real intensity. Set the altitude on your phone, the system holds it, and you wake up in normal air to train.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"spec-banner\"\u003e\n        \u003cdiv class=\"spec-card\"\u003e\n          \u003cdiv class=\"spec-card__value\"\u003e4,000\u003cspan class=\"spec-card__unit\"\u003e m\u003c\/span\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"spec-card__label\"\u003eMax simulated altitude (13,123 ft)\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"spec-card\"\u003e\n          \u003cdiv class=\"spec-card__value\"\u003e2,500\u003cspan class=\"spec-card__unit\"\u003e m\u003c\/span\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"spec-card__label\"\u003eOptimal nightly set point\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"spec-card\"\u003e\n          \u003cdiv class=\"spec-card__value\"\u003e2\u003cspan class=\"spec-card__unit\"\u003e sizes\u003c\/span\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"spec-card__label\"\u003eKing and Queen tent options\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"spec-card\"\u003e\n          \u003cdiv class=\"spec-card__value\"\u003eDual\u003cspan class=\"spec-card__unit\"\u003e voltage\u003c\/span\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"spec-card__label\"\u003e110-120 V or 220-240 V\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ TECH CARDS ============ --\u003e\n  \u003csection class=\"section\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eA controlled altitude environment, built around your bed\u003c\/h2\u003e\n      \u003cp class=\"section-intro\"\u003eFour parts — tent, generator, sensor, and app — that work together to hold a chosen altitude through the night.\u003c\/p\u003e\n\n      \u003cdiv class=\"tech-grid\"\u003e\n        \u003cdiv class=\"tech-card\"\u003e\n          \u003ch3 class=\"tech-card__title\"\u003eSleep Cloud Tent\u003c\/h3\u003e\n          \u003cp class=\"tech-card__body\"\u003eA four-post sleeping tent in King (2.35 m × 2.35 m × 1.95 m H) or Queen (2.15 m × 1.95 m × 1.95 m H). The footprint and ceiling height are sized so the inside doesn't feel claustrophobic and so the conditioned air stays steady through the night without spiking the temperature inside.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"tech-card\"\u003e\n          \u003ch3 class=\"tech-card__title\"\u003eF10 or F20 Altitude Generator\u003c\/h3\u003e\n          \u003cp class=\"tech-card__body\"\u003eLowers the oxygen content of the tent air to the altitude you choose. The F10 is the quieter, multi-purpose generator most sleepers select. The F20 is the more powerful unit and reaches the same altitudes faster, which matters if you want the tent fully at altitude before you go to bed.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"tech-card\"\u003e\n          \u003ch3 class=\"tech-card__title\"\u003eBox Altitude Sensor\u003c\/h3\u003e\n          \u003cp class=\"tech-card__body\"\u003eSits inside the tent and reads the actual oxygen content. The sensor pairs to the app via QR code and feeds the generator the data it needs to hold your set point all night rather than drift.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"tech-card\"\u003e\n          \u003ch3 class=\"tech-card__title\"\u003eBox Altitude App (iOS \u0026amp; Android)\u003c\/h3\u003e\n          \u003cp class=\"tech-card__body\"\u003eSet the target altitude, control the rate of ascent so your body adjusts gradually, monitor heat and humidity inside the tent, and track your time at altitude and sleep over time.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ BENEFITS ============ --\u003e\n  \u003csection class=\"section section--cream\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eWhy athletes sleep inside a Cloud\u003c\/h2\u003e\n\n      \u003cdiv class=\"benefit-grid\"\u003e\n        \u003cdiv class=\"benefit-card\"\u003e\n          \u003cdiv class=\"benefit-card__title\"\u003eLive high without leaving home\u003c\/div\u003e\n          \u003cp class=\"benefit-card__body\"\u003eThe altitude exposure happens in the hours you were already going to be in bed. No travel, no training camp logistics — just a tent over the bed and a set point on your phone.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"benefit-card\"\u003e\n          \u003cdiv class=\"benefit-card__title\"\u003eTrain low — keep intensity intact\u003c\/div\u003e\n          \u003cp class=\"benefit-card__body\"\u003eTraining at altitude tends to cap how hard you can push because lower oxygen limits intensity. Sleeping high and training low gives you the adaptive stimulus at night and full-intensity sessions during the day.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"benefit-card\"\u003e\n          \u003cdiv class=\"benefit-card__title\"\u003eSpacious, controlled environment\u003c\/div\u003e\n          \u003cp class=\"benefit-card__body\"\u003eThe tent is sized so you don't feel boxed in, and the gradual ascent control in the app minimizes the kind of sleep disruption that often comes with sudden altitude exposure.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"benefit-card\"\u003e\n          \u003cdiv class=\"benefit-card__title\"\u003ePhone-based, plug-and-play\u003c\/div\u003e\n          \u003cp class=\"benefit-card__body\"\u003eControl everything from the Box Altitude App on iOS or Android. Available in 110-120 V or 220-240 V. Free standard shipping, with deliveries typically inside 30 days.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ PRODUCT DIVES ============ --\u003e\n  \u003csection class=\"section\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eHow a night in the Sleep Cloud works\u003c\/h2\u003e\n\n      \u003cdiv class=\"product-dive\"\u003e\n        \u003cdiv class=\"product-dive__media\"\u003e\n          \u003cimg src=\"https:\/\/boxaltitude.com\/cdn\/shop\/files\/Front-3-4-Sleep-Cloud-IMG_1229_Salmon-SQUARE-CROP-LR.jpg\" alt=\"Sleep Cloud tent shown from the front with bedroom setting\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"product-dive__copy\"\u003e\n          \u003ch3 class=\"product-dive__title\"\u003eSet your altitude, then go to bed\u003c\/h3\u003e\n          \u003cp class=\"product-dive__body\"\u003eOpen the Box Altitude App and dial in the altitude you want to sleep at — most athletes work in the 2,000–2,500 m range to start. The generator brings the tent to the set point and the sensor holds it there. You get into bed in normal air, the system slowly raises the altitude so the transition doesn't wake you, and you sleep at altitude for the rest of the night.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"product-dive product-dive--reverse\"\u003e\n        \u003cdiv class=\"product-dive__media\"\u003e\n          \u003cimg src=\"https:\/\/boxaltitude.com\/cdn\/shop\/files\/6189acb4c2713d60c13bf273_F20_ALTITUDE_GENERATOR.jpg\" alt=\"F20 Altitude Generator unit, the more powerful of the two generators in the lineup\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"product-dive__copy\"\u003e\n          \u003ch3 class=\"product-dive__title\"\u003ePick the generator that fits your routine\u003c\/h3\u003e\n          \u003cp class=\"product-dive__body\"\u003eBoth generators reach the same 4,000 m ceiling. The F10 is the quieter, multi-purpose unit and the default pick for sleeping. The F20 is the more powerful generator and reaches the set point faster — useful if you turn the system on shortly before bed instead of running it ahead of time.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"product-dive\"\u003e\n        \u003cdiv class=\"product-dive__media\"\u003e\n          \u003cimg src=\"https:\/\/boxaltitude.com\/cdn\/shop\/files\/APP-iPhone.jpg\" alt=\"Box Altitude App shown on an iPhone displaying altitude controls\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"product-dive__copy\"\u003e\n          \u003ch3 class=\"product-dive__title\"\u003eAn app that also tracks the adaptation\u003c\/h3\u003e\n          \u003cp class=\"product-dive__body\"\u003eBeyond setting altitude, the app shows you the actual oxygen content the sensor is reading, tracks how many nights you've slept at altitude, monitors temperature and humidity inside the tent, and lets you adjust the rate of ascent so your body has time to settle in. The Live High \/ Train Low protocol works best when you can see what you're actually getting, not just what you set.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ SIZES ============ --\u003e\n  \u003csection class=\"section section--cream\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eTwo tent sizes\u003c\/h2\u003e\n      \u003cp class=\"section-intro\"\u003eMatch the tent to the mattress underneath it. The internal altitude environment behaves the same way in both — only the footprint changes.\u003c\/p\u003e\n\n      \u003cdiv class=\"size-grid\"\u003e\n        \u003cdiv class=\"size-card\"\u003e\n          \u003ch3 class=\"size-card__title\"\u003eSleep Cloud Queen\u003c\/h3\u003e\n          \u003cul class=\"size-card__list\"\u003e\n            \u003cli\u003e2.15 m long\u003c\/li\u003e\n            \u003cli\u003e1.95 m wide\u003c\/li\u003e\n            \u003cli\u003e1.95 m tall\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"size-card\"\u003e\n          \u003ch3 class=\"size-card__title\"\u003eSleep Cloud King\u003c\/h3\u003e\n          \u003cul class=\"size-card__list\"\u003e\n            \u003cli\u003e2.35 m long\u003c\/li\u003e\n            \u003cli\u003e2.35 m wide\u003c\/li\u003e\n            \u003cli\u003e1.95 m tall\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ VARIANTS ============ --\u003e\n  \u003csection class=\"section\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eChoose your generator\u003c\/h2\u003e\n      \u003cp class=\"section-intro\"\u003eSame tent, sensor, and app. Pick the generator that matches how much lead time you want.\u003c\/p\u003e\n\n      \u003cdiv class=\"variants-grid\"\u003e\n        \u003cdiv class=\"variant-card\"\u003e\n          \u003ch3 class=\"variant-card__title\"\u003eF10 Altitude Generator\u003c\/h3\u003e\n          \u003cp class=\"variant-card__body\"\u003eThe quieter, multi-purpose generator. Most sleepers run the F10 ahead of bed so the tent is already at altitude when they lie down.\u003c\/p\u003e\n          \u003cul class=\"variant-card__list\"\u003e\n            \u003cli\u003eReaches set points up to 4,000 m\u003c\/li\u003e\n            \u003cli\u003eEfficient, quiet operation\u003c\/li\u003e\n            \u003cli\u003eAvailable in 110-120 V or 220-240 V\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"variant-card\"\u003e\n          \u003ch3 class=\"variant-card__title\"\u003eF20 Altitude Generator\u003c\/h3\u003e\n          \u003cp class=\"variant-card__body\"\u003eThe more powerful generator. Reaches the same altitudes as the F10, faster — useful if you'd rather hit the switch closer to bedtime than pre-condition the tent for an hour.\u003c\/p\u003e\n          \u003cul class=\"variant-card__list\"\u003e\n            \u003cli\u003eReaches set points up to 4,000 m\u003c\/li\u003e\n            \u003cli\u003eFaster time-to-altitude than the F10\u003c\/li\u003e\n            \u003cli\u003eAvailable in 110-120 V or 220-240 V\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ WHAT'S IN THE BOX ============ --\u003e\n  \u003csection class=\"section section--cream\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eWhat ships in a Sleep Cloud system\u003c\/h2\u003e\n\n      \u003cdiv class=\"box-list\"\u003e\n        \u003cdiv class=\"box-row\"\u003e\n          \u003cdiv class=\"box-row__label\"\u003eSleep Cloud tent\u003c\/div\u003e\n          \u003cdiv class=\"box-row__detail\"\u003eFour-post hypoxic sleeping tent — Queen (2.15 × 1.95 × 1.95 m) or King (2.35 × 2.35 × 1.95 m)\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"box-row\"\u003e\n          \u003cdiv class=\"box-row__label\"\u003eAltitude generator\u003c\/div\u003e\n          \u003cdiv class=\"box-row__detail\"\u003eF10 or F20, depending on configuration ordered\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"box-row\"\u003e\n          \u003cdiv class=\"box-row__label\"\u003eBox Altitude Sensor\u003c\/div\u003e\n          \u003cdiv class=\"box-row__detail\"\u003ePairs to the Box Altitude App via QR code\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"box-row\"\u003e\n          \u003cdiv class=\"box-row__label\"\u003eBox Altitude App\u003c\/div\u003e\n          \u003cdiv class=\"box-row__detail\"\u003eiOS and Android — controls altitude, monitors environment, tracks sleep at altitude\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ SPECIFICATIONS ============ --\u003e\n  \u003csection class=\"section\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eSpecifications\u003c\/h2\u003e\n\n      \u003cdiv class=\"specs-group\"\u003e\n        \u003ch3 class=\"specs-group__title\"\u003eTent — Queen\u003c\/h3\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eLength\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e2.15 m\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eWidth\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e1.95 m\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eHeight\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e1.95 m\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"specs-group\"\u003e\n        \u003ch3 class=\"specs-group__title\"\u003eTent — King\u003c\/h3\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eLength\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e2.35 m\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eWidth\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e2.35 m\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eHeight\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e1.95 m\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"specs-group\"\u003e\n        \u003ch3 class=\"specs-group__title\"\u003eAltitude performance\u003c\/h3\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eMaximum simulated altitude\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e4,000 m (13,123 ft) with F10 or F20\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eOptimal set point\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e2,500 m (8,202 ft)\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eGenerator options\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eF10 (standard) or F20 (faster time-to-altitude)\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"specs-group\"\u003e\n        \u003ch3 class=\"specs-group__title\"\u003eElectrical \u0026amp; control\u003c\/h3\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eVoltage\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e110-120 V or 220-240 V (choose at order)\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eSensor pairing\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eQR-code pairing to Box Altitude App\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eApp platforms\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eiOS and Android\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"specs-group\"\u003e\n        \u003ch3 class=\"specs-group__title\"\u003eShipping\u003c\/h3\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eStandard shipping\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eFree\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eTypical delivery\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eWithin 30 days\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ FAQ ============ --\u003e\n  \u003csection class=\"section section--cream\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eFrequently asked questions\u003c\/h2\u003e\n\n      \u003cdiv class=\"faq\"\u003e\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eWhat is \"Live High \/ Train Low\"?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eIt's the approach the Sleep Cloud is built around: \u003cstrong\u003esleep at altitude, train at sea level\u003c\/strong\u003e. Sleeping at altitude prompts the body to produce a higher red blood cell count and carry more oxygen, while training low lets you keep the intensity that's hard to maintain when oxygen is limited. Box Altitude positions this as the more effective method for most athletes versus living and training at altitude full-time.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eWhat's the difference between the F10 and F20 generator?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eBoth reach the same maximum altitude of 4,000 m. The \u003cstrong\u003eF20 is the more powerful unit and reaches the set point faster\u003c\/strong\u003e — useful if you'd rather not pre-condition the tent for an extended period before bed. The F10 is the quieter, multi-purpose default and the more common pick for sleeping.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eWhich size should I order?\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eThe Queen tent measures \u003cstrong\u003e2.15 m × 1.95 m × 1.95 m H\u003c\/strong\u003e and the King measures \u003cstrong\u003e2.35 m × 2.35 m × 1.95 m H\u003c\/strong\u003e. Match the tent to the mattress underneath it.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eWhat altitude should I sleep at?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eBox Altitude lists \u003cstrong\u003e2,500 m (8,202 ft) as the most beneficial set point\u003c\/strong\u003e for performance adaptation while still allowing subsequent training load. The system can reach 4,000 m if you want to push higher, but you control the rate of ascent in the app so your body has time to settle in.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eDoes it feel claustrophobic or hot inside?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eThe tent footprint and 1.95 m ceiling are sized to feel spacious — Box Altitude calls out the spacious sleeping environment specifically — and that same volume of air means body temperature inside the tent does not increase significantly through the night. The app also lets you monitor heat and humidity in real time.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eHow is the altitude controlled?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eFrom the Box Altitude App on iOS or Android. The app sets the target altitude and the rate of ascent, the sensor inside the tent reads the actual oxygen content, and the F10 or F20 generator holds the environment at the set point all night.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eWill it work on my home electrical?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eYes — choose \u003cstrong\u003e110-120 V or 220-240 V\u003c\/strong\u003e at order to match your country's grid.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eHow long does delivery take?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eStandard shipping is \u003cstrong\u003efree\u003c\/strong\u003e and deliveries usually arrive \u003cstrong\u003ewithin 30 days\u003c\/strong\u003e of order.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\n  document.querySelectorAll('.product-pdp .faq-item__q').forEach(function (btn) {\n    btn.addEventListener('click', function () {\n      var item = btn.closest('.faq-item');\n      if (item) item.classList.toggle('is-open');\n    });\n  });\n\u003c\/script\u003e\n","brand":"BOX Altitude","offers":[{"title":"Queen \/ F10","offer_id":48880536944891,"sku":"BOX-SC-Q-F10","price":5350.0,"currency_code":"USD","in_stock":true},{"title":"Queen \/ F20","offer_id":48880537010427,"sku":"BOX-SC-Q-F20","price":7250.0,"currency_code":"USD","in_stock":true},{"title":"King \/ F10","offer_id":48880536912123,"sku":"BOX-SC-K-F10","price":5650.0,"currency_code":"USD","in_stock":true},{"title":"King \/ F20","offer_id":48880536977659,"sku":"BOX-SC-K-F20","price":7550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0044\/9341\/0393\/files\/Sleep_Cloud_Altitude_System_6.jpg?v=1779386776"},{"product_id":"box-altitude-training-cloud","title":"BOX Altitude Training Cloud","description":"\u003cdiv class=\"product-pdp\"\u003e\n\n  \u003c!-- ============ OVERVIEW ============ --\u003e\n  \u003csection class=\"section section--cream\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003cdiv class=\"overview\"\u003e\n        \u003cdiv class=\"overview__copy\"\u003e\n          \u003cp class=\"eyebrow\"\u003eBox Altitude · Training Cloud\u003c\/p\u003e\n          \u003ch1 class=\"overview__title\"\u003eTrain indoors. Adapt as if you trained at altitude.\u003c\/h1\u003e\n          \u003cp class=\"overview__lede\"\u003eA four-post tent that drops the oxygen content around your treadmill, rower, or smart bike to a thinner-air equivalent — dial in the altitude on your phone, then ride or run as you normally would.\u003c\/p\u003e\n          \u003cp class=\"overview__body\"\u003eThe Training Cloud builds a controlled hypoxic environment around your indoor setup. The Box Altitude App holds your selected altitude steady throughout the session while the F10 or F20 generator feeds the tent. Athletes use it to fit altitude work into a sea-level training week without traveling, and to keep tempo-and-threshold sessions productive without the intensity drop that comes with living at altitude full-time.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"spec-banner\"\u003e\n        \u003cdiv class=\"spec-card\"\u003e\n          \u003cdiv class=\"spec-card__value\"\u003e4,000\u003cspan class=\"spec-card__unit\"\u003e m\u003c\/span\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"spec-card__label\"\u003eMax simulated altitude (13,123 ft)\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"spec-card\"\u003e\n          \u003cdiv class=\"spec-card__value\"\u003e2,500\u003cspan class=\"spec-card__unit\"\u003e m\u003c\/span\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"spec-card__label\"\u003eOptimal training set point\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"spec-card\"\u003e\n          \u003cdiv class=\"spec-card__value\"\u003e+20\u003cspan class=\"spec-card__unit\"\u003e%\u003c\/span\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"spec-card__label\"\u003eCalorie burn vs. sea-level training\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"spec-card\"\u003e\n          \u003cdiv class=\"spec-card__value\"\u003e2.6 × 1.3 × 2.3\u003cspan class=\"spec-card__unit\"\u003e m\u003c\/span\u003e\n\u003c\/div\u003e\n          \u003cdiv class=\"spec-card__label\"\u003eTent footprint (L × W × H)\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ TECH CARDS ============ --\u003e\n  \u003csection class=\"section\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eThree components, one closed-loop altitude system\u003c\/h2\u003e\n      \u003cp class=\"section-intro\"\u003eThe tent holds the environment. The generator changes it. The sensor and app keep the set point honest.\u003c\/p\u003e\n\n      \u003cdiv class=\"tech-grid\"\u003e\n        \u003cdiv class=\"tech-card\"\u003e\n          \u003ch3 class=\"tech-card__title\"\u003eTraining Cloud Tent\u003c\/h3\u003e\n          \u003cp class=\"tech-card__body\"\u003eA four-post tent measuring 2.6 m long, 1.3 m wide, and 2.3 m high — sized to fit a treadmill, rowing erg, or smart-trainer cycling setup with room to move. The shell contains the hypoxic environment so the generator only has to condition the air inside the tent, not your whole training room.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"tech-card\"\u003e\n          \u003ch3 class=\"tech-card__title\"\u003eF10 or F20 Altitude Generator\u003c\/h3\u003e\n          \u003cp class=\"tech-card__body\"\u003ePulls down the oxygen content of the tent air to your chosen altitude. The F10 is the quieter, multi-purpose unit. The F20 is the more powerful generator and reaches the same set point faster, which matters when you only have a one-hour window before a session.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"tech-card\"\u003e\n          \u003ch3 class=\"tech-card__title\"\u003eAltitude Sensor + Box Altitude App\u003c\/h3\u003e\n          \u003cp class=\"tech-card__body\"\u003eThe sensor pairs to the app via QR code and continuously reads the oxygen content inside the tent. The app — iOS, with Android in development — sets the target altitude, monitors time spent at altitude, heat and humidity inside the tent, and tracks your sessions over time.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ BENEFITS ============ --\u003e\n  \u003csection class=\"section section--cream\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eWhy athletes train inside a Cloud\u003c\/h2\u003e\n\n      \u003cdiv class=\"benefit-grid\"\u003e\n        \u003cdiv class=\"benefit-card\"\u003e\n          \u003cdiv class=\"benefit-card__title\"\u003eRun, row, or ride at altitude — at home\u003c\/div\u003e\n          \u003cp class=\"benefit-card__body\"\u003eDrop the Cloud over your existing treadmill, Concept2, or Wahoo \/ Zwift setup. You don't change your training equipment; you change the air around it.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"benefit-card\"\u003e\n          \u003cdiv class=\"benefit-card__title\"\u003eBurn up to 20% more per session\u003c\/div\u003e\n          \u003cp class=\"benefit-card__body\"\u003eWorking at altitude raises the metabolic cost of the same wattage or pace versus a sea-level session — a useful lever for athletes managing body composition alongside performance work.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"benefit-card\"\u003e\n          \u003cdiv class=\"benefit-card__title\"\u003ePhone-based altitude control\u003c\/div\u003e\n          \u003cp class=\"benefit-card__body\"\u003eSet your target altitude, watch the system hold it, monitor heat and humidity, and log the session. No dials on the machine, no guesswork on whether the air is where you set it.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"benefit-card\"\u003e\n          \u003cdiv class=\"benefit-card__title\"\u003ePlug it in anywhere\u003c\/div\u003e\n          \u003cp class=\"benefit-card__body\"\u003eAvailable in 110-120 V or 220-240 V — same system, ordered for the grid you have. Free standard shipping, with deliveries typically inside 30 days.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ PRODUCT DIVES ============ --\u003e\n  \u003csection class=\"section\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eHow a Training Cloud session works\u003c\/h2\u003e\n\n      \u003cdiv class=\"product-dive\"\u003e\n        \u003cdiv class=\"product-dive__media\"\u003e\n          \u003cimg src=\"https:\/\/boxaltitude.com\/cdn\/shop\/files\/61a4040b99dcac5e43a05ff4_tc-treadmill-3-p-1080.jpg\" alt=\"Training Cloud tent containing a treadmill, ready for an altitude run\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"product-dive__copy\"\u003e\n          \u003ch3 class=\"product-dive__title\"\u003eSet the altitude, then train as you would at sea level\u003c\/h3\u003e\n          \u003cp class=\"product-dive__body\"\u003eOpen the Box Altitude App, dial in the altitude you want — most athletes work between 2,000 and 3,000 m for indoor sessions — and let the generator condition the tent air. Step in, start your treadmill or erg, and run the workout you'd already planned. The app holds the set point for as long as the session lasts.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"product-dive product-dive--reverse\"\u003e\n        \u003cdiv class=\"product-dive__media\"\u003e\n          \u003cimg src=\"https:\/\/boxaltitude.com\/cdn\/shop\/files\/61a405528ac9ff3fe7919bb4_tc-bike-3-p-1080.jpg\" alt=\"Indoor cycling setup positioned inside the Training Cloud tent\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"product-dive__copy\"\u003e\n          \u003ch3 class=\"product-dive__title\"\u003eBuilt around your existing indoor rig\u003c\/h3\u003e\n          \u003cp class=\"product-dive__body\"\u003eThe 2.6 m × 1.3 m footprint covers a treadmill, a single Concept2 rower in its rowing position, or a smart-trainer bike with room for a fan. The 2.3 m height clears most home-gym ceilings and gives a running stride enough headroom to feel normal.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"product-dive\"\u003e\n        \u003cdiv class=\"product-dive__media\"\u003e\n          \u003cimg src=\"https:\/\/boxaltitude.com\/cdn\/shop\/files\/619f20d55befb73c27d889a1_tc-tent-closed.jpg\" alt=\"Training Cloud tent shown closed\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"product-dive__copy\"\u003e\n          \u003ch3 class=\"product-dive__title\"\u003eF10 versus F20 — which generator does what\u003c\/h3\u003e\n          \u003cp class=\"product-dive__body\"\u003eBoth generators reach the same maximum altitude. The difference is how fast they get there and how hard they have to work to hold it. The F10 is the standard unit — quieter, multi-purpose, well-suited to athletes who pre-condition the tent before a session. The F20 is the heavier unit for athletes who want the tent at altitude in minutes, not tens of minutes, or who plan to use the system for long blocks of continuous work.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ VARIANTS ============ --\u003e\n  \u003csection class=\"section section--cream\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eChoose your generator\u003c\/h2\u003e\n      \u003cp class=\"section-intro\"\u003eSame tent, sensor, and app. Pick the generator that matches how fast you want the tent at altitude.\u003c\/p\u003e\n\n      \u003cdiv class=\"variants-grid\"\u003e\n        \u003cdiv class=\"variant-card\"\u003e\n          \u003ch3 class=\"variant-card__title\"\u003eF10 Altitude Generator\u003c\/h3\u003e\n          \u003cp class=\"variant-card__body\"\u003eThe quieter, multi-purpose generator. Pre-conditions the tent ahead of a session and holds the set point through the workout. The default pick for most home setups.\u003c\/p\u003e\n          \u003cul class=\"variant-card__list\"\u003e\n            \u003cli\u003eReaches set points up to 4,000 m\u003c\/li\u003e\n            \u003cli\u003eEfficient, quiet operation\u003c\/li\u003e\n            \u003cli\u003eAvailable in 110-120 V or 220-240 V\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"variant-card\"\u003e\n          \u003ch3 class=\"variant-card__title\"\u003eF20 Altitude Generator\u003c\/h3\u003e\n          \u003cp class=\"variant-card__body\"\u003eThe more powerful generator. Reaches the same altitudes as the F10, faster — useful when you want minimal lead time before a session or plan to run long, continuous blocks at altitude.\u003c\/p\u003e\n          \u003cul class=\"variant-card__list\"\u003e\n            \u003cli\u003eReaches set points up to 4,000 m\u003c\/li\u003e\n            \u003cli\u003eFaster time-to-altitude than the F10\u003c\/li\u003e\n            \u003cli\u003eAvailable in 110-120 V or 220-240 V\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ WHAT'S IN THE BOX ============ --\u003e\n  \u003csection class=\"section\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eWhat ships in a Training Cloud system\u003c\/h2\u003e\n\n      \u003cdiv class=\"box-list\"\u003e\n        \u003cdiv class=\"box-row\"\u003e\n          \u003cdiv class=\"box-row__label\"\u003eTraining Cloud tent\u003c\/div\u003e\n          \u003cdiv class=\"box-row__detail\"\u003eFour-post hypoxic tent, 2.6 m L × 1.3 m W × 2.3 m H\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"box-row\"\u003e\n          \u003cdiv class=\"box-row__label\"\u003eAltitude generator\u003c\/div\u003e\n          \u003cdiv class=\"box-row__detail\"\u003eF10 or F20, depending on configuration ordered\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"box-row\"\u003e\n          \u003cdiv class=\"box-row__label\"\u003eAltitude Sensor\u003c\/div\u003e\n          \u003cdiv class=\"box-row__detail\"\u003ePairs to the Box Altitude App via QR code\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"box-row\"\u003e\n          \u003cdiv class=\"box-row__label\"\u003eBox Altitude App\u003c\/div\u003e\n          \u003cdiv class=\"box-row__detail\"\u003eiOS app for altitude control, monitoring, and session tracking (Android in development)\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ SPECIFICATIONS ============ --\u003e\n  \u003csection class=\"section section--cream\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eSpecifications\u003c\/h2\u003e\n\n      \u003cdiv class=\"specs-group\"\u003e\n        \u003ch3 class=\"specs-group__title\"\u003eTent\u003c\/h3\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eStyle\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eFour-post hypoxic tent\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eDimensions\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e2.6 m L × 1.3 m W × 2.3 m H\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eIntended use\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eTreadmill, rowing erg, or indoor cycling platform\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"specs-group\"\u003e\n        \u003ch3 class=\"specs-group__title\"\u003eAltitude performance\u003c\/h3\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eMaximum simulated altitude\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e4,000 m (13,123 ft) with F10 or F20\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eOptimal training set point\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e2,500 m (8,202 ft)\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eGenerator options\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eF10 (standard) or F20 (faster time-to-altitude)\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"specs-group\"\u003e\n        \u003ch3 class=\"specs-group__title\"\u003eElectrical \u0026amp; control\u003c\/h3\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eVoltage\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003e110-120 V or 220-240 V (choose at order)\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eSensor pairing\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eQR-code pairing to Box Altitude App\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eApp platform\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eiOS (Android in development)\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"specs-group\"\u003e\n        \u003ch3 class=\"specs-group__title\"\u003eShipping\u003c\/h3\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eStandard shipping\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eFree\u003c\/span\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"specs-row\"\u003e\n\u003cspan class=\"specs-row__label\"\u003eTypical delivery\u003c\/span\u003e\u003cspan class=\"specs-row__value\"\u003eWithin 30 days\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- ============ FAQ ============ --\u003e\n  \u003csection class=\"section\"\u003e\n    \u003cdiv class=\"container\"\u003e\n      \u003ch2 class=\"section-title\"\u003eFrequently asked questions\u003c\/h2\u003e\n\n      \u003cdiv class=\"faq\"\u003e\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eWhat's the difference between the F10 and F20 generator?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eBoth reach the same maximum altitude of 4,000 m. The \u003cstrong\u003eF20 is the more powerful unit and reaches the set point faster\u003c\/strong\u003e, which matters when you want minimal lead time before a session or plan to run long continuous blocks at altitude. The F10 is the standard, quieter, multi-purpose generator most home athletes choose.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eWhat equipment fits inside the Training Cloud tent?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eThe tent measures \u003cstrong\u003e2.6 m long × 1.3 m wide × 2.3 m high\u003c\/strong\u003e — sized for a treadmill, a rowing erg, or a smart-trainer cycling setup such as Zwift or Wahoo.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eWhat altitude should I train at?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eBox Altitude lists \u003cstrong\u003e2,500 m (8,202 ft) as the most beneficial training set point\u003c\/strong\u003e, balancing performance adaptation against the ability to add subsequent training load. The system itself can reach 4,000 m if you want to push higher.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eHow is the altitude controlled?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eFrom your phone. The Box Altitude App talks to the Altitude Sensor inside the tent (paired via QR code) and to the F10 or F20 generator. You set the target altitude in the app and the system maintains it. The app also tracks heat, humidity, and time spent at altitude across sessions.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eWill it work on my home electrical?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eYes. The system is offered in \u003cstrong\u003e110-120 V and 220-240 V\u003c\/strong\u003e versions — choose the voltage that matches your country and grid when you order.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eWhy train at altitude indoors rather than live at altitude?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eLiving and training at altitude full-time tends to compromise workout intensity because lower oxygen limits how hard you can push. Box Altitude's approach is to add altitude exposure to a sea-level program — train hard in normal air, then layer altitude work into specific sessions. This keeps intensity high while still capturing the adaptive benefits of altitude.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n          \u003cbutton class=\"faq-item__q\" type=\"button\"\u003eHow long does delivery take?\u003cspan class=\"faq-item__icon\"\u003e\u003c\/span\u003e\u003c\/button\u003e\n          \u003cdiv class=\"faq-item__a\"\u003e\n            \u003cp\u003eStandard shipping is \u003cstrong\u003efree\u003c\/strong\u003e and deliveries usually arrive \u003cstrong\u003ewithin 30 days\u003c\/strong\u003e of order.\u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\n  document.querySelectorAll('.product-pdp .faq-item__q').forEach(function (btn) {\n    btn.addEventListener('click', function () {\n      var item = btn.closest('.faq-item');\n      if (item) item.classList.toggle('is-open');\n    });\n  });\n\u003c\/script\u003e\n","brand":"BOX Altitude","offers":[{"title":"F10","offer_id":48880537370875,"sku":"BOX-TC-F10","price":5720.0,"currency_code":"USD","in_stock":true},{"title":"F20","offer_id":48880537403643,"sku":"BOX-TC-F20","price":7100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0044\/9341\/0393\/files\/Training_Cloud_Altitude_System_6.jpg?v=1779386825"}],"url":"https:\/\/www.recoveryforathletes.com\/collections\/box-altitude.oembed","provider":"Recovery For Athletes","version":"1.0","type":"link"}