CURL UP IN COOL COMFORT - Specially developed with swirled gel memory foam and a cool-to-the-touch AirCool cover, this one-of-a-kind hybrid offers you undisturbed, supportive rest and ultimate relief from hot sleeping PRESSURE RELIEVING LAYERS - Equipped with cool and enveloping gel memory foam, responsive comfort foam and steel pocket springs that respond independently to movement, providing dynamic pressure-relief and reduced motion transfer SUPERIOR EDGE SUPPORT - Our proven coil edge support system features a perimeter of extra durable steel coils that add stability and prevent sagging while sitting on the edge of the bed