High-quality Silk Fitted Sheets from THXSILK are made from 100% pure mulberry silk that has a natural cooling effect to help you enjoy your more restful sleep, especially for you who tend to sweat more during sleeping time. With the breathable fabric from THXSILK, and the ability to regulate the temperature, the silk fitted sheet will make you feel like you are in heaven. The silk sheet's uniqueness makes you feel comfortable sleeping on it during cold and warm weather.