Beautyrest® Harmony Lux™ Hybrid is the only premium Hybrid mattress to deliver a dynamic trio of sustainable technologies, proprietary ContourFit® Design construction and our exclusive dual strand T2 Pocketed Coil® Technology for truly restorative, sustainable sleep. At the core of every model is our Precision Support System™, with its unique dual strand coil design that's made exclusively for Beautyrest to deliver up to 18% more support* where it is needed most. Directly above this are layers of premium foams, including a high-density gel memory foam that contours to your body for personalized support and a premium memory foam featuring actual diamond particles to help conduct heat away from the body. To top it off, a suite of cooling technology layers will help you fall asleep and stay comfortable all night long. *Results on Empress™ Series Medium; other results vary by model Components vary by model Beautyrest has also expanded our partnership with Seaqual™ to offer their unique sustainable fabric technologies within each Beautyrest Harmony Lux™ Hybrid mattress. Seaqual is a leader in ocean plastic recovery and upcycling efforts, and together this partnership will help promote cleaner oceans with every mattress sold.