Offering the perfect balance between Stearns and Foster Studio Medium Mattress back support and comfort, the Stearns & Foster® Studio Medium Mattress features quality you can see and feel. Its high-quality innersprings with DuraFlex™ Pro Coil Edge Support reinforce the edges for improved flexibility and extended durability. Premium memory foam layers adapt to your body and offer overnight pressure relief and comfort. This is especially good for side sleepers who need extra hip and shoulder support. The mattress cover is made of sustainably sourced TENCIL® with moisture-wicking fibers that help keep you comfortably cool throughout the night. This exceptional cover looks as good as it feels.