Trusted by sleepers for more than 130 years, only Sealy gives you the rest you need to live the life you want. In this firm Sealy mattress, the exclusive CoreSupport™ Center provides targeted support for your back and core. Individually wrapped SealyStability™ Plus Encased Coils provide more support for your whole body and address motion transfer between you and your partner throughout the night. High-quality foams provide cushioning comfort you can count on. And it's all topped with a refreshing moisture-wicking cover designed to keep you dry and comfortable throughout the night.