GlacierTouch Cool To-The-Touch Fabric assists in temperature management for a cooler night's sleep. Fit Hypergraph with Copper wicks away heat & moisture and prevents odors for a more comfortable sleep environment. TheraSponse Foam provides excellent support, extreme durability and comfortable sleep surfaces for years. TheraCoil V-Coil Innerspring provides extreme support, durability, and flexibility for long lasting sleep.