The Flying Fisherman Unisex Adult Boonie Hat is stylish yet functional for on the water or on any outdoor adventure, featuring lightweight, breathable and quick-drying material with vented mesh sides to help create a cooling affect while wearing. The adjustable chin strap creates a snug and secure fit when needed and is rated UPF 50 to provide excellent protection from the sun's harmful UVA and UVB rays. Wear this Boonie hat during your next outdoor excursion to help protect your face and keep the sun out of your eyes.