The Craftsman Jumbo Pillow top is designed with a 2 prong temperature management system, featuring a cold cover that contains a thick layer of cooling Gel Memory Foam and, Medium Soft quilt layers, the Quilted top panel gives way to upholstery grade Medium Soft support materials underneath, right down to the individually wrapped coil Support system… the entire sleep system is designed to deliver medium soft firmness and contouring support.