Experience a great night's sleep with the Serta Perfect Sleeper Anniversary Firm Mattress. Featuring a cooling knit cover, Comfort Fiber & Comfort Foam Layers, Visco Memory Foam Layer, and Gel Memory Foam Layer, this mattress provides the perfect combination of comfort and support. Plus, with 825 individually wrapped coils and Total Edge® Foam Encasement, you'll enjoy full edge-to-edge support for a better night's sleep.