100% PolyesterImportedWith UPF 50+ Protection:It's a good hat help you stay face, ears & neck away from the harmful UVA and UVB sun rays.Its wide large brim (3.54inches) can effectively prevent sun rays off your head and neck from all directions, yet not block the line of eye sight to ensure safety for all the activitiesOne size fits most. Equipped with the creative design of an adjustable elastic drawcord with toggle at the back of crown to ensure a snug fit and a wind cord at chin to hold the hat in place.We have also incorporated a moisture wicking head band to keep sweat out of your eyes. Unisex cozy fit for head circumference 7 - 7 1/2 (22 - 23.5")High qualityAdjustable snug fit, breathable mesh lining, quick dry. Perfect for fishing, hiking, hunting, camping, beach, pool, water park, gardening, travel, tourism and any other outdoor activities and sports. High quality material and workmanship.Foldable and crushable: We use memorable material to make this Cooltto hat packable bucket hat easy to carry. It is very convenient to fold it and store in your backpack. It will be returned to a good shape in seconds while you open it again. In addition, its very lightweight when youre ready to go out or do anything with it. Its only 3.2 ounces.CUSTOMER SERVICE: If there is any questions about Cooltto Sun Hat for Men/Women, please contact us any time. We will reply within 12 hours and follow it up closely. I will provide you with the best answers and the best after-sales service.