Sleep cooler with the SleepMor 12 Inch Copper Infused Medium Mattress, CA King. The infusion of foam and copper, a natural conductor of heat, provides a conductivity source to dissipate heat as you sleep. This multi-layered mattress features a sleep surface that reduces pressure on critical body areas, including your hips and shoulders, to prevent tossing and turning all night. Created by a team of bedding experts who set out to create a quality mattress with some of the most advanced technologies, this mattress will provide you with a better, cooler sleep. It even works well to bend better with adjustable foundations to give you the ultimate sleep system. The mattress is also wrapped in a soft, breathable, zippered, machine-washable cover. • Mattress Comfort Level: Medium • Sleeper Orientation: Back, side, and stomach sleepers Product Details: • Made from materials free of ozone depleters, heavy metals, formaldehydes, and phthalates. • Features a removable washable cover. • Memory foam is inherently hypoallergenic and antimicrobial. • The mattress is designed to bend well with adjustable foundations, so you can get the perfect level of support for your sleep needs.