Key benefits Keeps you cool and dry in hot weather and comfortable in cooler seasons, supporting a restful night's sleep. Helps relieve stress and promotes relaxation with a light, breathable feel. Breathable design that automatically assists in temperature regulation for a cool, comfortable experience. Materials and construction Outer/technique: 257% pure cotton jacquard water washed pleated yarn, delicate, soft to the touch, skin friendly, and not bulky. Inner layer: washed cotton with a soft color, good elasticity, and a snug, comfortable fit against the body. Air layer mechanism: The gaps in the yarn create an air layer structure that stores excess body heat and exchanges it with the surrounding air. Cooling and performance The airlayer design helps regulate temperature by exchanging heat with the outside air, contributing to a cooler feel on the skin. When used with a fan, the cooling effect is enhanced, providing a quicker sense of relief and a noticeable difference in comfort during sleep. Use scenarios Hot summer nights at home: use with or without a fan to maintain a cool, comfortable sleeping environment. Airconditioned bedrooms or rooms with gentle cooling: the fabric aids in steady temperature regulation for a more restful sleep. Quick rest or relaxation on a couch or bed: lightweight and breathable for short naps or lounging, especially in warm conditions.