Packable: toyo straw, foldable and packable for travel to your favorite destination Wide Brim: measures 5.5", 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 50+ for maximum sun protection; along with fabric that has been certified UPF 50+, a brimmed hat offers the necessary protection for your ears, temples, cheeks and neck. Ventilated: perfect for beach and resort vacations; also great for summer activities such as boating, gardening, a walk in the park, an evening event, an enjoyable picnic, the Kentucky Derby or simply sitting by the pool