Step up to a world-class sleep experience with Beautyrest World Class Level Four. Thousand-density Pocketed Coil Technology and higher density foams provide premier individualized support and motion separation. Beautyrest's brand new World Class Relief Hd Foam, featured in all Level Four Mattresses, offers remarkable pressure relief that responds to your body. Plus, Level Four mattresses feature twice the SurfaceTouch Gel Memory Foam to unlock even more pressure relief right at the surface. These hybrid mattresses feature InfiniCool Technology and Beautyrest ActiveResponse Max Hd Memory Foam for a cooling sleep surface and added pressure relief. With 100 years of innovation behind Beautyrest and many, many more ahead, this latest collection shows exactly how people at their best, get their Beautyrest.