{"product_id":"king-size-mattress-12-in-hybrid-mattress-in-a-box-supportive-comfort","title":"King Size Mattress 12 in Hybrid Mattress in a Box - Supportive Comfort","description":"\u003cp\u003eOur review of the King Size Mattress 12 in Hybrid Mattress in a Box finds it best suited for sleepers who want a balance of pressure relief and underlying support. The single biggest reason to consider this mattress is its hybrid design that pairs gel memory foam with hundreds of individually wrapped pocket coils, delivering targeted body contouring without excessive sinkage. The mattress arrives vacuum compressed in a box and expands quickly; allow up to 72 hours for full recovery after unboxing.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid construction:\u003c\/strong\u003e Gel memory foam combined with individually wrapped pocket springs provides a mix of contouring comfort and responsive support for many sleeping positions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted support:\u003c\/strong\u003e The pocketed coil system responds to body curves to distribute weight evenly from head to foot, which helps reduce pressure on shoulders and hips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotion isolation:\u003c\/strong\u003e Independent bagged springs plus high-density foam absorb movement and noise so a partner turning is less likely to disturb sleep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable cover and foam:\u003c\/strong\u003e Thermal insulation materials and breathable layers help wick away moisture from the contact surface for a cooler, drier sleep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified foam:\u003c\/strong\u003e Uses CertiPUR-US certified foam, meaning the foams are made without certain harmful substances and are suitable for sensitive groups including pregnant women and children.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy setup:\u003c\/strong\u003e Ships compressed in a box and expands rapidly, making delivery and initial setup straightforward when handled carefully.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe mattress is a good match for couples who need motion isolation paired with enough support to prevent a sinking feeling, and for back or combination sleepers who prefer a medium-firm, ergonomic feel. It is also attractive to budget-conscious buyers who want hybrid performance without high-end pricing.\u003c\/p\u003e\u003cp\u003ePeople who want a very plush, cloud-like top or those who need extreme edge support for frequent sitting on the side may prefer a different model. Also allow the recommended recovery time after unpacking before judging firmness and feel.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComfortable balance of pressure relief and support thanks to gel memory foam over pocketed coils.\u003c\/li\u003e\n\u003cli\u003eNotable motion isolation that keeps partner movements quieter during the night.\u003c\/li\u003e\n\u003cli\u003eBreathable construction helps manage heat and moisture at the contact surface.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eRequires up to 72 hours to fully expand and settle, so immediate feel may change over the first few days.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003e12 in hybrid mattress in a box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eKing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComfort profile\u003c\/td\u003e\n\u003ctd\u003eMedium-firm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore layers\u003c\/td\u003e\n\u003ctd\u003eGel memory foam over individually wrapped pocket coils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCertiPUR-US certified foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eVacuum compressed and boxed, expands on opening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended recovery\u003c\/td\u003e\n\u003ctd\u003eAllow up to 72 hours to return to original state\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe King Size 12 in hybrid mattress is a solid value for sleepers who want a supportive, pressure-relieving surface without excessive heat retention or motion transfer. Its combination of gel memory foam and individually wrapped coils suits couples and back or combination sleepers, and the CertiPUR-US foam adds reassurance about materials. Allow the expansion period and this mattress offers consistent comfort and dependable support for most bedrooms.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow long before the mattress is ready to sleep on?\u003c\/strong\u003e\u003cbr\u003eAllow the mattress up to 72 hours to fully expand and off-gas; it will be sleepable sooner but reach intended firmness within that window.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it sleep hot?\u003c\/strong\u003e\u003cbr\u003eThe gel memory foam and breathable materials help dissipate heat and moisture, so it tends to sleep cooler than older all-foam models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs motion transfer a problem for couples?\u003c\/strong\u003e\u003cbr\u003eNo, the independent pocket coils and high-density foam layer help absorb movement so partner motion is reduced.\u003c\/p\u003e","brand":"Cejato","offers":[{"title":"Default Title","offer_id":48235238457563,"sku":"B0DJKPYZDM","price":289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81TvVRXRo3L._AC_SL1500_fbeb7166-ad7a-43ca-ae40-834c841af7a9.jpg?v=1770738457","url":"https:\/\/gearmusthave.com\/products\/king-size-mattress-12-in-hybrid-mattress-in-a-box-supportive-comfort","provider":"GearMustHave","version":"1.0","type":"link"}