Step up to a world-class sleep experience with a Beautyrest World Class mattress. The 1000-density Pocketed Coil Technology and higher density foams provide premier individualized support plus motion separation. Innovative World Class Relief Hd Foam, featured in all Level Three Mattresses, offers remarkable pressure relief that responds to your body. InfiniCool Max Technology offers advanced cooling with vertical cooling fibers in Beautyrest World Class mattresses.