The new Sealy Ultimate Black collection, with exclusive Posturepedic Technology, offers the best in support, cooling innovation, and quality. The new Ultimate mattresses feature nano micro-coil technology, CopperIce and Immersion Advanced Memory Foam. CopperIce is a latex foam with conductive and cooling properties. It combines with the comfortable Immersion Advanced Memory Foam and the supportive encased coils to create a high quality sleep system. Did we mention the mattress is absolutely beautiful?