The Serta Rebound Plush Pillow Top Mattress helps reduce tossing and turning with Cool Gel fiber, promotes a balanced sleep temperature with an overall mattress design that helps promote airflow, and resists sagging and edge roll-off with Serta’s Comfort Last Construction and Best Edge Foam Encasement. Lastly, if that wasn’t enough, the Serta Rebound Plush Pillow Top Mattress minimizes impact from partner movement with a premium support system and advanced foams designed for motion isolation.