Comfortable and lightweight hat, ideal for use in cool weather, the BUFF microfiber hat is made from recycled materials. Perfect elastic hat as a protective layer during hiking, trekking or low-intensity sports activities. It is not designed for extreme cold. Composition: 100% polyester Care: Maximum wash at 40º. Do not use bleach. Does not allow ironing. Do not dry clean. It does not allow the use of a dryer.