50% Cotton 50% Acrylic Imported Hand Wash Material : 50% Cotton 50% Acrylic; It is light weight and breathable. Adjustable Band Back , One size fits most male or female; Wonderful for Womens mens,boys,girls , User-friendly design adjusting belt can be adjusted according to individual head circumference. Cap head circumference is adjustable from 21 to 24; Also can be fit for kids. Great Gifts for Family ,also daily use for Sun Protection. Perfect for All Activities, Best choice for outdoor activities, such as beach, garden, fishing etc. This is a very nice, Looks Cool . Hand Wash , Good material for comfortable fit.