The Beautyrest 15.25" World Class Level 4 plush tight top mattress features an innerspring design that delivers everything you need for great sleep, including premier individualized support and advanced motion separation. The plush comfort level offers a soft feel with underlying support ideal for side and back sleepers. Layers of SurfaceTouch gel memory foam with AirCool HD foam offer cooling and pressure relief. A 1000 Density Pocketed Coil® support system delivers Beautyrest’s premier individualized support while minimizing motion transfer. An anti-microbial quilt cover with InfiniCool® MAX Technology creates a cool-to-the-touch surface, while natural lux fibers enhance breathability. Mattress protector recommended. Made in America.