Upgraded 2 In 1 Design Combine the 1-inch cooling gel memory foam and the 2-inch thick foam mattress topper for the perfect blend of comfort, softness, stress-free support. Use them together for individualized comfort. Cooling Gel Memory Foam and Thick Foam The surface design of gel memory foam is more soft and comfortable than ordinary foam, which can easily conform to the body's curves and relieving pain with just the right amount of support and improve sleep. It allows heat capture and dissipation and helps take heat away from your body faster so you can enjoy a cooler night's sleep. The thick foam on the second layer provides excellent support for your spine and common pressure points. It helps you completely relax and eliminates the feeling of soreness upon waking.