The Beautyrest Black K-Class Collection of Mattresses are luxurious and built with the finest of materials. Supported with the World's Premier Support System - tripled! Each Individually Wrapped Coil consists of 3 wires braided together to create the strongest most supportive spring system, for pressure point relief throughout the night. Layers of the latest in pressure relieving Memory Foams, including RightTemp™ Memory Foam and AirCool® HD Memory Foam, along with a layer of 2K Nano Coils, take the pressure off of hips and shoulders. Topped with BlackICE™ 4.0 Technology of fabric and fibers, to help you sleep cooler and longer. Experience what great sleep feels like in a luxurious Beautyrest Black Mattress.