Serta Perfect Sleeper Hybrid Smooth Tight Top King Mattress
Cool Twist Gel Memory Foam - Cooling gel is swirled directly into a breathable foam designed to promote airflow and heat dissipation.
Cool Action Gel Memory Foam - This premium gel-infused memory foam features millions of MicroSupport gel beads that gather in the area of your body that need extra support while also aiding in reducing the build-up of heat at the sleep surface.
1000 Individually Wrapped Coil System with Lumbar Support Core - This coil system of 1000 individually wrapped coils delivers exceptional support and reduced motion transfer.
Serta's BestEdge Foam Encasement technology - An extra-deep foam rail to help reduce edge roll-off and extend the sleep surface.