The Epic model is the only mattress in the iComfort Directions line to feature Serta's original Cool Action Gel Energy Foam, renowned for its responsive feel and deep-down body support. A superfine infusion of Microsupport gel enhances the natural cooling properties of the material and provides extra support where you need it most. Four all-new technologies are also included in this mattress: the soft, cooling Thermo Cool yarn fabric cover with TENCEL fibers, EverCool Gfx Memory Foam with super heat-conducting graphene material, a high-performance Cool Action Dual Effects Layer, and Pods, a revolutionary support layer with strategically positioned macro-gel disks. Presenting the very best in premium bedding, the Epic model promises nights of deep, refreshing sleep. Foundation included.