Introducing Sealy's coolest Hybrid. The Premium collection features 2X the cooling comfort of our DuoChill™ Cooling System, exclusive Posturepedic Technology™ and our all new Sealy Immersion™ Advanced Memory Foam, the Premium line offers the best in support, cooling & enhanced pressure relieving comfort. Step-up to ultra plush, comfort and support all night long with the ultimate Sealy Hybrid™ mattress. Gold Chill Ultra Plush features Sealy's exclusive Posturepedic Technology™, DuoChill™ Cooling System and CustomFlex™ Coil System, an additional layer of mini coils that increase the support and comfort of your mattress while helping to reduce motion transfer.