This sun hat is made of 100% high quality waterproof polyester with UPF 50+ excellent sun protection, keeps the sun from your face and neck and offers great protection from the damaging rays. Its size is available from 22-24 inches, one size fits most adults. This hat has unique snap brim and equipped with adjustable chin strap can keep this hat stable in a strong windy weather. Fold-up brim material can be worn folded up or down in various cute styles while still maintaining its shape, also it can be easily carried inside your bags, perfect for beach, pool, park, camping, hiking, race day events, tourism, gardening or any outdoor sports and activities. Available in several colors and can be customized with an logo.