Enjoy a superbly luxurious sleep with Beautyrest's advanced Black® Hybrid LX-Class 13.5" Firm Mattress. Exclusive plant-based cooling technology provides a cool surface that helps to keep you comfortable as you fall asleep and stay asleep through the night. Multiple layers of Beautyrest's patented Aircool® Memory Foam combine with Zoned T3 Pocketed Coil® Technology to deliver superior comfort and exceptional support to create a first-class sleep experience that will leave you feeling invigorated to take on your day.