{"product_id":"queen-12-inch-memory-foam-mattress-in-a-box-cooling-knit-cover","title":"Queen 12 Inch Memory Foam Mattress in a Box - Cooling Knit Cover","description":"\u003cp\u003eIn this review the Queen 12 Inch Memory Foam Mattress in a Box earns strong marks for anyone seeking a supportive, cooling all-foam bed without complicated setup. The single biggest reason to buy is its combination of a breathable cooling knit fabric cover and a three-layer memory foam build that provides firm, contouring support and noticeable temperature regulation for sleepers who overheat. Setup is straightforward and the mattress expands at home after being unboxed, making it a practical choice for many bedrooms.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Knit Fabric Cover:\u003c\/strong\u003e The cover stays cool-to-the-touch and improves breathability so heat is moved away from the body for more comfortable nights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-layer memory foam:\u003c\/strong\u003e Layered foams cradle the body to reduce pressure points while maintaining the firm support customers report for back alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature regulation:\u003c\/strong\u003e The fabric and foam combination helps evaporate sweat and feels less prone to trapping heat than many traditional foam mattresses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertiPUR-US \u0026amp; Oeko-Tex certified:\u003c\/strong\u003e Independent certifications confirm the foam and fabrics are free from many harmful substances for added peace of mind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy setup:\u003c\/strong\u003e The mattress ships compressed in a box and restores to its shape within about 12 hours on any standard bed frame or platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-year limited warranty:\u003c\/strong\u003e A long warranty covers defects, supporting a worry-free ownership experience when the mattress is kept in normal use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis mattress is well suited to sleepers who prefer a firmer memory foam feel with reliable back support and pressure relief. People who sleep hot or sweat at night will appreciate the cooling knit fabric cover and the mattress's breathability. It also fits a wide range of frames, including slatted platforms and adjustable bases, making it a flexible choice for many bedrooms.\u003c\/p\u003e\u003cp\u003eLightweight side sleepers who want a very plush, contouring pillow-top may find the firm memory foam less yielding, and those needing an innerspring bounce should look elsewhere. Also note the product cannot be returned once opened, so buyers who need an extended trial should consider that policy before purchasing.\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 firm support that many customers say eases back and hip pain.\u003c\/li\u003e\n\u003cli\u003eCooling knit fabric effectively improves temperature regulation for warmer sleepers.\u003c\/li\u003e\n\u003cli\u003eCertiPUR-US and Oeko-Tex certifications provide assurance about materials and safety.\u003c\/li\u003e\n\u003cli\u003eConvenient boxed delivery and easy expansion on setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFirmness leans toward the firm side, which may not suit those wanting a very plush surface.\u003c\/li\u003e\n\u003cli\u003eCannot be returned once opened, so there is limited trial flexibility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eQueen 80x60 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e3-layer memory foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003eCooling knit fabric cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCertiPUR-US and Oeko-Tex Standard 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e10-year limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn policy\u003c\/td\u003e\n\u003ctd\u003eNon-returnable once opened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Queen 12 Inch Memory Foam Mattress offers a practical balance of firm support, pressure relief, and temperature regulation at a sensible value. It is a smart pick for back and combination sleepers who want a cooling knit cover and certified foam, though buyers who need a very plush feel or a flexible return trial should weigh the no-return-after-opening policy.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow long does it take to expand?\u003c\/strong\u003e\u003cbr\u003eThe mattress should fully expand within about 12 hours after unpacking, though some off-gassing may occur initially.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be used on an adjustable base?\u003c\/strong\u003e\u003cbr\u003eYes, the mattress is compatible with adjustable beds, slatted platforms, box springs, and flat floors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the mattress fiberglass free?\u003c\/strong\u003e\u003cbr\u003eYes, the product is described as fiberglass free and uses CertiPUR-US and Oeko-Tex certified materials.\u003c\/p\u003e","brand":"Dyonery","offers":[{"title":"Default Title","offer_id":48260086694107,"sku":"B0CNSV2RF3","price":369.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81zkABB226L._AC_SL1500.jpg?v=1778305474","url":"https:\/\/gearmusthave.com\/products\/queen-12-inch-memory-foam-mattress-in-a-box-cooling-knit-cover","provider":"GearMustHave","version":"1.0","type":"link"}