The Beautyrest Hybrid Medium Firm Mattress blends the best of both worlds with a hybrid construction that combines supportive innersprings and contouring memory foam. Featuring 875 Density Pocketed Coil Technology, it delivers signature individualized support and motion separation for a truly undisturbed rest. The patented ContourFit™ Design and Beautyrest® ActiveResponse MAX™ High Density Memory Foam work together to provide deep, targeted pressure relief and conforming comfort to ease aches and pains. InfiniCool™ Technology ensures a cool, refreshing sleep surface by drawing excess heat away from your body. With a 12" profile, this mattress fits standard sheets, is adjustable base compatible, CertiPUR-US® certified, and proudly assembled in the USA. It includes free premium in-home delivery and a 10-year limited warranty.