All-Seasons products are designed to give you the best of both worlds. Its innovative dual-comfort design ensures the perfect temperature control for a rejuvenating sleep experience. One side features our signature COOL-TECH fabric, which draws away heat, leaving you feeling crisp and cool as you drift off to sleep,while the other side boasts our advanced ULTRA-TECH TENCEL fabric, thatenvelops you in a luxuriously soft, comforting embrace while also helping to regulate your temperature, ensuring optimal comfort during cooler nights. – Product Details provided by Manufacturer, not responsible for errors in information.