The Flying Fisherman Boonie hat is stylish yet functional for on the water or on any outdoor adventure, featuring lightweight breathable quick drying material with vented mesh sides to help create a cooling affect while wearing. Adjustable chin strap to create snug and secure fit when needed, and is rated UPF 50 to provide excellent protection from the sun's harmful UVA and UVB rays."30 DAY LIMITED WARRANTY. Non-defective returns must be in new condition with original packaging and returned within 30 days. "