The Recovery Medium Tight Top Mattress by Serta offers balanced comfort and targeted support for a restorative sleep. Designed with 3 zones to provide enhanced lower back support, it features a breathable cover and Serta® GEL Fiber to keep you cool and refreshed. The 3-Zoned Edition Custom Support Coil System with Best Edge® Foam Encasement delivers consistent, all-night support. Adjustable base friendly and made with CertiPUR-US® certified foams, this mattress combines comfort, durability, and peace of mind.