LUMERIS 8 Inch Full Firm Foam Mattress with Phase Change Cooling Cover & Gel Infused Memory Foam for Pressure Relief and Restful Sleep (75"L x 53"W)

Achieve cool, restorative rest with this 8-inch twin firm gel memory foam mattress designed for superior temperature regulation and orthopedic support. Featuring a three-layer foam system, it includes 1" ventilated gel memory foam to pull heat away, 3" adaptive transition foam for balanced pressure relief, and 4" high-density base foam to ensure durable spinal alignment—all under a phase change cover that actively absorbs and releases excess warmth for a consistently cool sleep surface. Why choose this mattress? It eliminates motion transfer and overheating issues common in traditional spring mattresses, offers CertiPurUS certification for eco-friendly safety against harmful chemicals, provides firm support ideal for side or back sleepers to reduce tossing and turning, and arrives compressed in an easy-to-move box for hassle-free unboxing—expands fully in 24-72 hours with no tools needed, making it perfect for apartments or quick setup. Phase Change Cooling Cover actively regulates temperature for dry, cool comfort. 3-Layered Foam System includes gel memory foam, transition foam, and high-density base for tailored pressure relief and support. CertiPurUS Certified foams ensure non-toxic, healthy sleep free from harmful chemicals. Compressed Packaging simplifies delivery—lightweight, easy-to-unbox, expands self-leveling in 24-72 hours. Firm Support adapts to all sleeping positions for stable spine alignment and reduced motion transfer. Tight Top