100%POLYESTER Imported 100% Waterproof Brim Width 2 Inches One-size head circumference : 21.5 to 22.8 Inches Lightweight and easy to fold! This bucket hat can be folded into its own pouch. Adjustable to fit any size ! Lightweight windcheater rain hat. Easy to carry in a bag or attach to your trousers thanks to a discreet clip.