This 12" medium hybrid mattress features the cushioning, cooling conformance of our SealyComfort™ Gel Memory Foam with added layers of our SealyComfort™ Gel Foam for increased support. The mattress features the all-over support of an open coil system with a reinforced edge and a moisture-wicking, antibacterial cover that helps keep the mattress protected. Weight 57.000 lbs. (25.65kgs.)