This advanced hybrid mattress combines out most premium materials to deliver improved, best-of-both-worlds comfort. More Response Pro Encased Coils provide motion-reducing support, and a DuraFlex Pro ventilated edge improves breathability and durability. A blend of body-hugging foams-including ComfortSense Premium Memory Foam-provide cushioning softness. The soft knit cover with SealyChill delivers a cool-to-the-touch feel, while Surface-Guard Technology keeps the mattress protected.