Part of our exclusive Rest & Renew line, the exclusive Performance Max 14.5’’ mattress is designed for those seeking the most refreshing and restorative sleep experience. This hybrid design features a cushion firm comfort level, making it perfect for back and stomach sleepers. A highly advanced, Graphene-enhanced cooling knit cover stays cool to the touch due to its superior breathability—plus, offers better heat regulation and anti-bacterial properties. Enjoy lasting comfort with multiple layers of Copper Gel AeroFusion memory foam, which features Phase Changing Material and bamboo charcoal to help with heat absorption that keep you feeling cool, comfortable, and fresh all night long. 3-zoned spring support keeps different parts of your body leveled with the precise amount of pressure. Flex foam and smart foam provide additional plushness and extra airflow while offering incredible support. Unbox, unroll, and unwind effortlessly with its mattress-in-a-box design. Made in the USA. Mattress protector recommended. Adjustable base compatible.