Beautyrest Black Hybrid Collection. The 15" Beautyrest Black Hybrid X-Class Ultra Plush mattress has 1.5" AirCool® MemoryFoam, 1.5" Beautyrest® Gel MemoryFoam, and 1.5" Self … This collection only has four mattresses in the X-Class. Shop the different models of Beautyrest Black mattresses that promote exceptional relaxation: X Class; C Class Medium; C Class Plush Pillowtop; L Class Extra Firm; X Class Plush… Beautyrest Black Hybrid X-Class Ultra Plush Mattress. The Beautyrest Black Hybrid X Class Plush mattress is priced at $2,399 for a Queen size, and that's $600 cheaper than the most expensive of the X Class models. The X Class is designed to provide you with the right temperature, support, and comfort to ensure you sleep healthy and happy daily! The Beautyrest Black Hybrid collection keeps the cooling properties of the black mattresses, but adds extra pressure relief, great for those with hip pain, back pain, or plain ole side sleepers. The exclusive pocketed coil technology keeps you comfortably supported, while the layers of contouring, cooling gel … View the Beautyrest Black Hybrid X-Class … You get phenomenal value for … Beautyrest Black X Class Plush now available at locally owned American Mattress! Get your perfect night’s sleep with the Beautyrest Black Hybrid X-Class Plush mattress. Rest in full luxury and get a great night sleep with the newest collection of Beautyrest Black. Beautyrest Black mattresses come with a variety of technologies.