New Sealy Duo Chill King Mattress for Sale Retails for $2500 Plus Was Damaged on Delivery Small tear on underside by zipper (shown in pics) 2" OptiSense Advanced LQ Memory Foam. Duraflex Edge Technology. Exclusive OptiCool Gel Foam. 7" Exclusive Liquid Gel OptiCore. 2" Exclusive Duo-Chill Optimax Memory Foam. 250 714-3890