Packable: toyo straw, foldable and packable for travel to your favorite destination Ventilated: perfect for beach and resort vacation; also great for summer activities such as golfing, tennis, boating, biking, hiking, gardening or simply sitting by the pool Brim: measures 3", not only looks stylish, but is wide enough to shade forehead, eyes and ch from harmful UV rays. Adjustable head size: integrated internal drawstring allows you to size this hat for your perfect fit A brimmed hat offers the necessary protection for your ears, temples, ch and neck.. 100% Toyo Straw Fiber