Tough 3D polyester mesh construction blocks sunlight, allows air flow, and offers excellent water repellency. The 100% cotton duck brim further protects you from the sun. Ties on in the wind. Guaranteed for life; insured against loss. Machine washable; won't shrink. UPF 50+ rating. Brim measures 3-1/2" in the front and back and 2-1/2" on the sides. Imported.