Elevate your sleep to a luxurious reward night after night with Beautyrest's advanced Black K-Class 15.75"" Firm Pillow Top Mattress. With help from our new cooling technology, the collection provides significant cooling power to keep you comfortable as you fall asleep and all night long. Combined with 2K Nano Coils and thick memory foam, 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.