Pure that knock down shot into a strong headwind. Our Rabbit Island Sport bucket is extremely lightweight and breathable. The adjustable chinstrap will free your worries of losing the hat in windy conditions. Tighten until comfortable. Features: Nylon fabric. UPF 50+. Adjustable and removable chinstrap. Undervisor matches edge trim. Brim size: Front 3 3/4"". Back 4"". Side.