Upgrade to the Beautyrest Harmony Lux Diamond Series Medium Pillow Top Mattress for even more luxurious pressure relief, comfort, and cooling all within an elegant design. Each model features a 3” pillow top layer constructed from premium memory foam. This layer works in harmony with our new SurfaceTouch Gel Memory Foam and Micro Diamond Memory Foam to provide the greatest amount of comfort and pressure relief from Beautyrest Harmony Lux! Each model also features our cool-to-the-touch technology and sustainable fabrics developed in partnership with Sequal. Our medium pillow top model offers an indulgent initial feel combined with substantial core support.