Firm and supportive with extra cushioned comfort, the Sealy Performance Crystal Sand with exclusive Posturepedic technology creates a restorative sleep environment. Exclusive Posturepedic technology provides zoned support in your core and lumbar regions. Featuring quality Sealy Response Coils, this mattress has a cushioned firm feel. SealySupport Firm Foam and SealyCushion Extra Soft Foam in the pillowtop layer provide addition cushioned support. SealyCushion Air Foam and SealyCool Gel Foam conform to your body, relieving pressure points and dissipating excess heat for a cool, refreshing feel. The SolidEdge HD System offers more usable sleep space and an easier transition out of bed. The addition of the Reverie O200 adjustable lifestyle base takes your sleep experience to a whole new level! Easily adjust the head of your mattress with the convenient remote to stay comfortable while reading or watching TV in bed. 10 Year Non-Prorated Warranty.