The WinterCool™ Sleep System consists of 4 distinct cooling technologies: WinterCool™ Fabric Treatment, WinterCool™ Carbon Foam that conducts heat away from the body, and the WinterCool™ Tri-Fiber™ for a hypoallergenic and luxurious feel. The Grand Medium Super Pillow Top mattress by Beautyrest Quintessence also features the Beautyrest® Gel Memory Foam to provide great pressure relief and a comfortable sleeping temperature, and the T3 Pocketed Coil® Technology that offers extra support in the center third, reduces motion transfer, and provides consistent pressure relief for a five star sleep experience throughout the night.