Experience extraordinary sleep at the intersection of luxury and innovation with the Beautyrest Black Collection's premier materials and advanced sleep technology. Two layers of 2K Nano Coils, for a total of 4K Nano Coils, offer a specialized upgrade as they conform to your body for enhanced, individualized support. Triple-Stranded Pocketed Coil Technology offers our highest level of individualized support and motion separation, so you can rest undisturbed. A layer of specialized foam is quilted into the sleep surface for exceptional pressure relief. A premium memory foam layer, infused with diamond particles, is designed to help move heat away from the body for a cool sleep. Ventilated latex layer maximizes airflow and provides advanced pressure relief. Two layers of 2K Nano Coils enhance conformability for the highest level of premium, individualized support. All foams are CertiPUR-US certified. Our mattresses are proudly assembled in the USA. Adjustable base compatible.