Physician Endorsed Women's Sierra Crochet Raffia Sun Hat with Gold Shimmer, Rated UPF 30 for Sun Protection 100% Other Fibers Imported Hand Wash Packable: 100% raffia, foldable and packable for travel to your favorite destination Ventilated: perfect for beach and resort vacations; also great for summer activities such as boating, biking, hiking, gardening or simply sitting by the pool Brim: measures 3-3/4", not only looks stylish, but is also wide enough to shade forehead, eyes and cheeks from harmful UV rays. Adjustable Head Size: integrated internal drawstring allows you to size this hat for your perfect fit Rated UPF 30 which means this hat has very good UV protection, blocking at least 96% of UV radiation. A brimmed hat offers the necessary protection for your ears, temples, cheeks and neck.