Sleep is the ultimate luxury with the Beautyrest Black® Memory Foam with BlackICE™ Kelsie™ 12.5″ Luxury Firm Mattress. It features BlackICE™ technology exclusive to the Beautyrest Black collection. BlackICE technology is designed to help you maintain an ideal sleep climate, and is found in the performance cover and in the top layer of BlackICE HD Memory Foam. Breathable layers of AirCool™ Memory Foam are designed to enhance pressure relief and promote freedom of movement. The Beautyrest Black Memory Foam sleep system is designed to provide you with conforming comfort and restorative sleep.