This waterproof bucket hat is made of 100% premium quick drying soft polyester fabric and comes with a waterproof coating. The lightweight polyester shell is breathable, waterproof and windproof. It has UPF 50 and excellent outdoor protection. The 3.6 inches wide brim provides more sun protection. The mesh design is very breathable, cool in the hot summer, cross ponytail hole design hair through more convenient, avoid hair mess and squeezed, but also keep the head ventilation and comfort. One size is perfect for more men and women. This wide brim waterproof sun hat is ideal for outdoor activities such as hiking, camping, fishing, beach, gardening, hunting.