{"product_id":"6-inch-ultima-memory-foam-mattress-full-medium-firm-fiberglass-free","title":"6 Inch Ultima Memory Foam Mattress Full - Medium Firm, Fiberglass Free","description":"\u003cp\u003eOur review of the 6 Inch Ultima Memory Foam Mattress in Full focuses on sleepers who want firm, targeted support in a compact, easy-to-handle package. The mattress delivers a \u003cstrong\u003emedium firm feel\u003c\/strong\u003e that cradles the body without excessive sinking, and its patented 7-zone comfort system stands out as the single biggest reason to consider it: pressure is relieved at hips and shoulders while the rest of the body stays supported. It ships compressed in a smaller box, which reduces the footprint of delivery and makes setup simple for apartments or tight stairs.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium firm comfort:\u003c\/strong\u003e A balanced memory foam profile gives dependable support for back sleepers and those who prefer limited sinkage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-zone comfort system:\u003c\/strong\u003e Zoned foam targets common pressure points to ease strain on hips, shoulders, and lower back for more restorative sleep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable airflow memory foam:\u003c\/strong\u003e The construction helps move air through the layers so the surface feels cooler than older solid-foam designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreen tea and charcoal infusions:\u003c\/strong\u003e Natural infusions are included to help maintain freshness and reduce lingering odors over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified safe materials:\u003c\/strong\u003e All foams are CertiPUR-US certified and the cover is OEKO-TEX certified, avoiding harmful chemicals in the mattress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact shipping:\u003c\/strong\u003e Delivered compressed in a smaller box to reduce carbon footprint and simplify handling during setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Full 6 in Ultima is best for single sleepers, guest rooms, or smaller bedrooms where a supportive, low-profile mattress is useful. It suits back sleepers and those who prefer a \u003cstrong\u003emedium firm\u003c\/strong\u003e surface that keeps the spine aligned without excessive contouring.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for couples who need deep contouring or heavier sleepers who may find a thicker mattress better for long-term pressure relief. Side sleepers who need a very soft surface may prefer a mattress with more plush layers for shoulder relief.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePressure-relieving memory foam with a targeted 7-zone system helps reduce aches across common areas.\u003c\/li\u003e\n\u003cli\u003eCertiPUR-US and OEKO-TEX certifications signal safer materials and manufacturing without harmful chemicals.\u003c\/li\u003e\n\u003cli\u003eInfused green tea and charcoal help keep the mattress feeling fresher after extended use.\u003c\/li\u003e\n\u003cli\u003eArrives compressed in a smaller box for easier delivery and lower environmental impact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFirmness perception is mixed among users-some may find the mattress too firm or report initial off-gassing odors as it decompresses.\u003c\/li\u003e\n\u003cli\u003eAt 6 in thick, this model may not suit heavier sleepers or those who want deep sink and plush layering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eZINUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eFull\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\u003eFirmness\u003c\/td\u003e\n\u003ctd\u003eMedium firm feel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003eMemory foam with green tea and charcoal infusions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCertiPUR-US foams; OEKO-TEX certified cover\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\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 6 Inch Ultima Memory Foam Mattress in Full is a practical, value-oriented choice for solo sleepers and guest rooms who want supported, pressure-relieving rest without a bulky mattress. With targeted zoning, safe certifications, and freshness infusions, it offers good performance for its thickness and price, though those needing deep plush cushioning or extra thickness should consider a thicker model.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does it take to expand?\u003c\/strong\u003e\u003cbr\u003eThe mattress should be allowed up to 24-72 hours to fully expand to its original shape after unboxing, with most of the expansion happening within the first day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the mattress have a strong smell?\u003c\/strong\u003e\u003cbr\u003eSome users report minimal off-gassing on first unboxing while others notice little to no odor; airing the mattress for a few hours speeds dispersion of any initial smell.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this mattress suitable for side sleepers?\u003c\/strong\u003e\u003cbr\u003eSide sleepers who need significant shoulder cushioning may find the 6 in medium firm profile too firm; it is better suited to back sleepers or those who prefer firmer support.\u003c\/p\u003e","brand":"ZINUS","offers":[{"title":"Default Title","offer_id":48606816665819,"sku":"B0CSK3WS69","price":136.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81M2haU3-hL._AC_SL1500_d71542ba-223c-4e82-816e-571d8ae03949.jpg?v=1778413417","url":"https:\/\/gearmusthave.com\/products\/6-inch-ultima-memory-foam-mattress-full-medium-firm-fiberglass-free","provider":"GearMustHave","version":"1.0","type":"link"}