These Woodland Digital Camo Boonie Hats in the USMC Marines Marpat Pattern which are fully adjustable to a one size fits most fit, made of a 55% cotton / 45% polyester blend and are easy to roll up and pack. This wide brim bucket hat features an adjustable elastic cord with a cord lock with 4 screened vents for ventilating and an adjustable chin strap. The boonie hat is a classic style and design which lends itself perfectly to the great outdoors for camping, survival, kayaking, canoeing, fishing, hiking and streetwear. Size: One SIze Fits Most