AFFORDABLE PRICE EVEN WITH BAMBOO CHARCOAL - With a moisture wicking cover, CertiPUR-US Certified Bamboo Charcoal cooling gel memory foam, individual pocket coils, and superior edge support, this innovative design delivers premium mattress features at an affordable price. Feel the sleep-enhancing benefits of bamboo charcoal foam, each optimized for comfort. Peaks without the added price! THE COOLEST SLEEP YET - Unique fabric cover cools as it triggers evaporation of excess moisture, while individual pocket coils and memory foam eliminates excess heat, delivering a one-two punch of cooling for sleep that's sound, easy and no sweat. PRESSURE RELIEF & MOTION ISOLATION & EDGE SUPPORT - An Independent Coil System base layer encased with Foam Edge Support resists motion transfer from a sleeping partner and promotes customized spinal alignment and joint pain relief. The 7-zone is surrounded by 4 inches (10cm) support foam at its edge, keeps away from slipping when you sit.