The 12" Palatial Crest by Sealy® foam mattress features our SealySupport™ and SealyComfort™ Gel Foams with an added layer of SealyComfort™ Gel Memory Foam for extra cooling and conformance. A moisture-wicking, antibacterial cover helps keep the mattress protected, and the mattress comes conveniently compressed in a shippable box. Weight 44.000 lbs. (19.8kgs.)