The Gold Chill plush mattress offers the best comfort luxury sleep for side and back sleepers. Zoned Support offers 20 percent more coils in the middle of the mattress to add support where most needed. Duo Chill Cooling System offers 2 times the cool-to-the-touch technology featured in the performance hybrid. Allergen Protect keeps the mattress clean from common allergens such as dust mites helping it stay fresh for a long time. Sealy Immersion Advanced memory foam is a slower response memory foam with an open cell structure allowing it to be more breathable. Custom Flex coil system is an additional layer of miniature coils that move and flex around your body to increase support and comfort. Dura Flex Coil Edge system gives the mattress for usable sleeping surface by providing flexible coil in the border surrounding the mattress. The Gold Chill mattress is also suitable to be used with an adjustable base.