Sealy Premium Hybrid Silver Chill Firm MattressSealy Hybrid Mattress Collection Mattresses that combine innersprings with memory foam Added targeted support of Posturepedic Technology A high density flexible coil border surrounds the mattress for better edge support, more usable sleeping surface and improved durability. The cover fabric is designed to draw moisture away from your body during the night, helping to keep you more comfortable. Cool to the touch technologies help promote a comfortable