As a part of the most advanced collection yet, Beautyrest Black® Hybrid LX-Class offers up to 21% more support where your body needs it the most.* With help from new plant-based cooling technology, the collection provides up to 18% more cooling power to keep you comfortable all night long.** Patented memory foams unlock immediate pressure relief and personalized support. These innovative features are paired with a modern design and hybrid construction to create a first-class sleep experience. And the Beautyrest Black Motion Base is designed with furniture-like upholstery and sleek form, pairing perfectly with your mattress. It features a smooth-motion motor, massage capabilities, Amazon Alexa or Google Home device compatibility and under bed lighting. *in the center-third of mattress, exact percentage varies by model **vs. Harmony Lux Collection for the first 20 minutes