100% Cotton 100% Cotton. Protect your skin from harmful UV rays and keep your hair out of your face and eyes by wearing this comfortable bucket hats during all your outdoor activities. Ensure a perfect fit: We have designed this bucket hat to have a perfect fit on any head size. No more messy plastic straps or rusty buckles from now on. Occasion: Perfect for a day in sun, walking, jogging,walking the dog, exercise, gym, bad hair day, ball games, all outdoor activities for sun protection for all seasons. Delivery Time: 6-17 days,Please ignore the estimated delivery time show on Amazon.