Experience ultra-plush luxury with the 15″ Beautyrest Black Hybrid X-Class Ultra Plush. Featuring 1.5″ layers of AirCool® Memory Foam, Beautyrest® Gel Memory Foam, and Self-Response™ Latex, plus BlackICE™ Hybrid cooling, ContourFit™ stretch surface, and T3 Pocketed Coil® support for cool, adaptive comfort and lasting pressure relief.