CLEARANCE Beautyrest Black C-Class Extra FirmIn addition to the support and cooling features found in our L Class, Beautyrest Black C Class models include comfort and pressure relieving upgrades for up to 18% more overall pressure relief. A luxurious layer, made with silk, alpaca and cashmere provides unmatched comfort and breathability, while Self Response Latex ensures individualized support for different parts of your body. Specifications: BlackICE with Plant Based Cooling Technology 3 4