{"product_id":"king-mattress-9-in-hybrid-mattress-medium-firm-back-support","title":"King Mattress 9 in Hybrid Mattress - Medium Firm Back Support","description":"\u003cp\u003eIn this review of the King Mattress 9 in Hybrid from VISCOUNTESS, the bottom line is simple: this mattress is for sleepers who want a balanced, medium firm feel that combines pressure relief with dependable support. The construction of gel-infused memory foam over individually wrapped pocket springs gives clear advantages for couples and back sleepers who need motion isolation without a sinking memory foam-only feel. Overall it stands out for breathability, edge support and a convenient mattress-in-a-box setup.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid construction:\u003c\/strong\u003e Layers of memory foam over hundreds of individual pocket springs deliver a mix of conforming pressure relief and resilient support for the spine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGel memory foam:\u003c\/strong\u003e The gel-infused top foam and breathable knit cover help dissipate heat so sleepers experience a cooler surface through the night.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotion isolation:\u003c\/strong\u003e Individually wrapped coils absorb movement, reducing partner disturbance for lighter and heavier sleepers sharing the bed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdge support:\u003c\/strong\u003e Reinforced edges resist sagging so the full mattress surface feels usable and stable when sitting or sleeping near the side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMattress in a box:\u003c\/strong\u003e The king mattress ships compressed for easy setup at home and expands to full size within about 72 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety and trial:\u003c\/strong\u003e Certified by industry safety standards and backed by a 100 night trial plus a 10-year support policy for long-term confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe King Mattress 9 in Hybrid is well suited to couples and back sleepers who prefer a medium firm mattress that balances pressure relief with support. Shoppers who value motion isolation and reinforced edges will appreciate the combination of pocket springs and foam. The breathable knit cover and gel-infused foam make it a reasonable choice for those who run slightly warm at night.\u003c\/p\u003e\u003cp\u003ePeople who want a very plush, sinking memory foam hug or an ultra-firm, orthopedic surface may prefer to look elsewhere. Also, those who need a very thick pillow-top or an adjustable thickness beyond 9 in should consider other models with greater loft.\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 medium firm feel that supports the back while relieving pressure at shoulders and hips.\u003c\/li\u003e\n\u003cli\u003eEffective motion isolation from individually wrapped coils for undisturbed sleep with a partner.\u003c\/li\u003e\n\u003cli\u003eBreathable knit cover and gel foam help with temperature regulation versus dense foam alone.\u003c\/li\u003e\n\u003cli\u003eReinforced edges increase usable surface area and resist sagging over time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAt 9 in thickness, this mattress may feel thinner than some premium hybrid options for those seeking deep plushness.\u003c\/li\u003e\n\u003cli\u003eInitial compressed delivery requires up to 72 hours to fully expand, so it is not instant.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003e9 in hybrid mattress\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 level\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\u003eGel memory foam layers over individual pocket springs with euro top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003eBreathable knit fabric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003eCompressed in a box, expands in ~72 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuarantee\u003c\/td\u003e\n\u003ctd\u003e100 night trial and 10-year support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe VISCOUNTESS King Mattress 9 in Hybrid is a practical choice for couples and back sleepers who want a medium firm bed that blends pressure relief with supportive coils. Its motion isolation, edge support and breathable gel foam offer good value for shoppers who prefer a balanced feel without the deep sink of traditional memory foam.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow long until the mattress is ready to use?\u003c\/strong\u003e\u003cbr\u003eThe mattress ships compressed and should be allowed about 72 hours to fully expand and off-gas before regular use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this mattress sleep hot?\u003c\/strong\u003e\u003cbr\u003eThe gel-infused memory foam and breathable knit cover help dissipate heat, so it sleeps cooler than dense foam-only options.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the edge supported for sitting?\u003c\/strong\u003e\u003cbr\u003eYes, the mattress includes reinforced edges designed to resist sagging and increase usable surface area.\u003c\/p\u003e","brand":"VISCOUNTESS","offers":[{"title":"Default Title","offer_id":48198672842971,"sku":"B0F337BQX2","price":329.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71hnnUct24L._AC_SL1330_20933ddc-2f55-4ae0-b43f-7e38b67b6ad0.jpg?v=1770268682","url":"https:\/\/gearmusthave.com\/products\/king-mattress-9-in-hybrid-mattress-medium-firm-back-support","provider":"GearMustHave","version":"1.0","type":"link"}