ABOUT THE COLLECTION: Beautyrest's most advanced sleep system, featuring Triple-Stranded Pocketed Coil® Technology for maximum individualized support, plus the ultimate in motion separation, pressure relief and temperature management View all mattresses in the Beautyrest Black collection. QUILTING LAYER: Advanced temperature management Sleep Climate™ Technology works at the mattress surface to help transfer heat away from the body. Specialized vertical fibers combine with the surface-cooling technology in an advanced feature to keep you cool all night Materials: 100% polyester cover COMFORT LAYER: Self-Response™ Latex and SurfaceTouch Gel Memory Foam conform to your body for responsive pressure relief. Micro Diamond Memory Foam, infused with diamond particles, is designed to help transfer heat away from the body. Materials: polyurethane comfort foam and memory foam SUPPORT DETAILS: Triple-Stranded Pocketed Coil® Technology offers our most advanced level of individualized support and motion separation, so you can rest undisturbed. Edges constructed with Beautyrest edge support. Materials: Triple-Stranded Pocketed Coil® System BOX SPRING: Specifically designed to work together with your Beautyrest Black® mattress, this Beautyrest Black® foundation offers long-lasting support and reduced motion for restful night's sleep Materials: wood frame