Offering the perfect balance of pressure-relieving comfort and extra-firm support, the iComfort Genius EverFeel mattress set utilizes state-of-the-art EverFeel technology to instantly adapt to your body's shape and temperature from the moment you lie down. While a thick layer of support foam provides a nice firm feel at the sleep surface, Cool Action Dual Effects gel memory foam works to deliver pressure relief where your body needs it most, keeping you cool and comfortable in the process. 10 Year Warranty