Simmons Black Hybrid KX-Class 15" Firm Mattress -California King

Elevate your sleep to a luxurious reward night after night. As the premier offering in our most advanced collection yet, the Beautyrest Black Hybrid KX-Class 15" Firm Mattress now offers up to 21% more support where your body needs it the most.* With help from our 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.** In addition to our support and cooling systems, the Beautyrest Black Hybrid KX-Class includes comfort, pressure-relieving and support upgrades as well as 2X more memory foam*** compared to Beautyrest Black Hybrid LX-Class and CX-Class models for our most comfortable mattress ever. A luxurious layer made with silk, alpaca and cashmere provides unmatched comfort and breathability while Self-Response Latex ensures individualized support for different parts of your body. Lasty, 2,000 micro-coils add an additional layer to our Premier Support System and provide precise conformability. Sleep soundly knowing your mattress has antimicrobial protection to keep your mattress fresh and clean from odor causing bacteria.**** These innovative features are paired with an all new modern design and hybrid construction to create a first-class sleep experience that will leave you feeling invigorated to take on your day. *in the center-third of mattress, exact percentage varies by model **vs. Harmony Lux Collection for the first 20 minutes ***by weight **** this product does not protect users against bacteria, viruses, germs or other disease organisms