The ComfortGrande® Plus Advanced Topper features a plush, luxurious cool cover for instantly soothing comfort, while cooling gel memory foam continuously reduces excess heat. Memory foam adapts to cradle your body, relieving pressure points and promoting proper alignment in any sleep position for longer periods of deep sleep. The washable, durable zip cover fully encases the foam, securing your topper in place with corner straps and a non-skid, providing the best-in-class protection that you can find for any mattress topper.