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 sleepersProduct 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.