Cool and supportive, the iComfort Blue 100 provides gentle firm comfort with superior pressure point relief. Featuring TempActiv technology, this mattress's premium gel memory foam is infused with cooling beads to help absorb and dissipate excess heat while conforming to each curve for customized support. Layers of EverCool Fuze gel memory foam and Serta Balanced Support foam deliver additional conforming support for a personalized sleep experience tailored to your body's needs. 10 Year Warranty.