{"product_id":"king-graphite-infused-memory-foam-mattress-in-a-box-medium-firm","title":"King Graphite Infused Memory Foam Mattress in a Box - Medium Firm","description":"\u003cp\u003eOur review of the LIFEMENT Basic King Graphite Infused Memory Foam Mattress in a Box finds it best for shoppers who want a compact, good-value sleep surface with balanced support. The single biggest reason to buy is the mattress's 3-layer comfort system that combines a cooling gel top, supportive middle foam, and a durable base to deliver pressure relief and steady spinal alignment. Setup is straightforward from the box and most users report fast, predictable expansion and a comfortable medium-firm feel that works for a wide range of sleepers.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Layer Comfort System:\u003c\/strong\u003e Three premium foam layers cushion pressure points while promoting proper alignment for more restful sleep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Gel Memory Foam:\u003c\/strong\u003e The gel-infused top layer helps regulate temperature and contours to the body to reduce hot spots at night.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Sleeper Support:\u003c\/strong\u003e A medium-firm feel balances softness and support so it is suitable for back, side, and stomach sleepers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotion-Absorbing Design:\u003c\/strong\u003e Engineered to minimize movement transfer so partners tossing and turning are less likely to disturb each other.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoxed \u0026amp; Ready:\u003c\/strong\u003e Delivered compressed in a box for easy transport and expands fully within about 72 hours for convenience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertiPUR-US \u0026amp; Fiberglass-Free:\u003c\/strong\u003e Made without formaldehyde, lead, phthalates, or fiberglass, making it a safer option for families and pets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe mattress is a solid choice for budget-conscious shoppers who still want a structured, durable foam bed with cooling features and pressure relief. It suits couples who need motion isolation and individuals who prefer a medium-firm surface that supports back, side, or stomach sleeping positions.\u003c\/p\u003e\n\u003cp\u003eThose who need a very plush or very firm mattress, or who prefer hybrid innerspring construction, should look elsewhere; heavy sleepers who require thicker edge support may also consider a thicker model than this 6 in option.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComfortable medium-firm feel that many customers find supportive and relieving for back pain.\u003c\/li\u003e\n\u003cli\u003eCooling gel top layer helps reduce surface heat for a more comfortable night.\u003c\/li\u003e\n\u003cli\u003eGood value and quality appearance for the price, with easy setup from the boxed delivery.\u003c\/li\u003e\n\u003cli\u003eCertiPUR-US certified and fiberglass-free, making it safer for homes with children or pets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAt 6 in overall thickness, it may feel thin for heavier sleepers or those who want deep contouring.\u003c\/li\u003e\n\u003cli\u003eExpansion can take up to 72 hours, so immediate full comfort may be delayed for some buyers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eLIFEMENT\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\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e6 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeel\u003c\/td\u003e\n\u003ctd\u003eMedium-firm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e3-layer foam with gel-infused memory foam top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCertiPUR-US; Fiberglass-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eCompressed in a box, expands up to 72 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe LIFEMENT King graphite infused memory foam mattress offers balanced support, cooling, and reliable motion isolation at an attractive price, making it a smart buy for most sleepers who want a boxed foam mattress. It is especially good for couples and mixed-position sleepers looking for pressure relief and safer foam construction, though those wanting more thickness or a hybrid feel should consider alternatives.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the mattress take to expand?\u003c\/strong\u003e\u003cbr\u003eMost units expand quickly but allow up to 72 hours for full expansion and to off-gas before regular use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this mattress suitable for back pain?\u003c\/strong\u003e\u003cbr\u003eYes; customers report the medium-firm support and layered construction help with spinal alignment and reducing morning back discomfort.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the foam treated with harmful chemicals?\u003c\/strong\u003e\u003cbr\u003eNo; the mattress is CertiPUR-US certified and free from formaldehyde, lead, phthalates, and fiberglass.\u003c\/p\u003e","brand":"LIFEMENT","offers":[{"title":"Default Title","offer_id":48636426813659,"sku":"B0F6VMVX39","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91IntgNEBcL._AC_SL1500_dce045d9-6557-4c4b-b452-3f3e9cd48ba3.jpg?v=1778556767","url":"https:\/\/gearmusthave.com\/products\/king-graphite-infused-memory-foam-mattress-in-a-box-medium-firm","provider":"GearMustHave","version":"1.0","type":"link"}