Features a GlacierTouch Cooling 4-way stretch knit with Lycra. Whispershield TheraCool Advanced Graphite & Copper Gel and enhanced cool gel. Hyper-conductive graphite, with up to 10,000x more thermal conductivity than foam, transfers heat away from the body for a cooler, more comfortable sleep. Copper is antimicrobial and antiviral, plus prevents odors and stains. TheraCool Memory Gel provides pressure point relief with the added benefit of wicking away heat from the body for a cooler night's sleep. TheraWrap individually wrapped coils provide a uniform sleep that conform independently, reducing motion transfer.10 years non-prorated warranty.