Offering 360-degrees of sun protection, the Costa Del Mar Boonie Hat is the ultimate way to escape the harsh effects of sunrays. Made from ultra lightweight polyester, the Costa Del Mar Boonie Hat is extremely comfortable, breathable and provides a UPF 50 protection rating. Lateral venting and a moisture wicking headband also work together to keep your head cool and dry. For additional convenience, the Costa Del Mar Boonie Hat features a floatable brim that prevents accidental water losses and an adjustable drawcord to keep it secure in windy conditions. When you need maximum sun protection, the Costa Del Mar Boonie Hat delivers protection that will keep you fishing comfortably in the most dismal heat.