The CF4000 Hybrid Plush mattress features iComfort’s most innovative cooling and support technologies. Carbon Fiber Memory Foam paired with the UltraCold System™ help channel heat away from your body. Our exclusive Air Support™ Foam contours to your body and helps relieve aches and pains caused by pressure points, while the 1025 iComfort® Hybrid Support™ System with BestEdge® Foam Encasement provides durable support from edge to edge.