Symbol Mattress has partnered with Tommie Copper, a performance apparel company that specializes in compression support and recovery, to create this Performance Mattress Collection. These Mattresses are supported with a Five Zone Individually Wrapped Coil System, for more precise back, hip and shoulder support. Smaller diameter coils on the perimeter provide a firmer edge and optimum mattress surface. With a layer of CopperGel™ Memory Foam, Memory Foam infused with microscopic copper-infused gel particle's, you get lasting thermal comfort throughout the night. Wake up feeling rejuvenated, as your body is aided in healing muscle aches, with the Copper Znergy™ Infused Cover. Embrace these Copper enhanced mattresses and feel the difference this technology can do for your sleep and health.