Beautyrest Black® Hybrid KX-Class Firm Split California King Mattress Mattress

Elevate your sleep to a luxurious reward night after night. Beautyrest's most advanced collection yet, the Beautyrest Black® Hybrid mattress offers up to 21% more support where your body needs it the most (in the center third of mattress; exact percentage varies by model). Unlock Beautyrest's most robust pressure relief system, with up to 2X more memory foam than the Beautyrest Black Hybrid LX-Class & CX-Class models. With help from its new plant-based cooling technology, the collection provides up to 18% more cooling power to keep you comfortable as you fall asleep and all night long (versus Harmony Lux Collection for the first 20 minutes). Its premier support system, featuring the T3 Pocketed Coil®, has been redesigned with center zone construction to help provide targeted support where you need it most. These innovative features are paired with an all-new modern design and luxurious comfort to create a first-class sleep experience that will leave you feeling invigorated to take on your day.