Enjoy the ultimate comfort and support of this substantial 12-inch Comfort Impressions Mattress. Mattress consists of a 2.5-inch luxurious layer of SureTemp™ Memory Foam atop a 9.5-inch base of our responsive memory foam. The memory foam cushions your body, evenly spreading your weight and relieving pressure points for a soft, supported and restful sleep. The SureTemp™ memory foam layer is comfortable and supportive like the base memory foam, but uniquely formulated with next generation open-cell technology to improve air circulation and evenly maintain your body's temperature. The circular-knit, all-in-one mattress cover is plush and soft, tying together the perfect elements of comfort, support and air flow for a superb mattress.