{"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","url":"https:\/\/www.recoveryforathletes.com\/products\/box-altitude-sleep-cloud","provider":"Recovery For Athletes","version":"1.0","type":"link"}