The Pearce plush mattress features Serta’s cool action gel memory foam, the world’s first premium memory foam infused with the support and cooling touch of Serta’s Micro Support gel – now available for the first time in perfect sleeper. It is designed with a unique set of features to help solve 5 common sleep problems: 1. Helps reduce tossing and turning with cool action gel memory foam 2. Encourages proper back support and alignment with the custom support individual advantage 886 innerspring 3. Promotes a balanced sleep temperature with cool balance elite technology 4. Minimizes impact from partner movement with our True Sense 4.0 Design with 4-way motion isolation 5. Resists sagging and edge roll-off with Serta’s comfort last construction plus total edge foam encasement this mattress also features a layer of Serta Pillow Soft foam for enhanced cushioning and is compatible with Serta’s adjustable foundations, including the pivot head-up and motion essentials ii models. Serta’s Plush mattresses have classic tailoring with more “give”, or softness, at the sleep surface when compared to a firm mattress. These mattresses are perfect for those who like a softer feel at the sleep surface, but don’t want the additional upholstery layer used in a pillow top mattress.