The iComfort Hybrid is the perfect blend of groundbreaking foam technology and an advanced coil system. With carbon fiber-infused memory foam in every bed and an innerspring system of individually wrapped coils, your sleep will be more comfortable than ever. The iComfort CF1000 12" Hybrid Medium mattress is comfortably cool and supportive. Layers of Carbon Fiber Memory Foam and EverCool Fuze Gel Memory Foam help channel heat away from your body, while the 1025 iComfort Hybrid Support System with BestEdge Foam Encasement conforms and supports your every curve.