This sun hat is made of polyester &cotton fiber and breathable lining, double layer design with UPF 50+ excellent sun protection. The adjustable chin strap with unti-drop button can keep this hat stable in a strong windy weather. With foldable Side Snaps, it could be folded up or down in two different fashion styles, and the sun hat remain keeps in good shape. High quality, lightweight and foldable brim material, it is super convenient to fold out of the way and you can bring it to anywhere with you, perfect for beach, fishing, park, camping, hiking, tourism, gardening or any outdoor sports and activities. Available in several colors and can be customized with an logo.