Come and Check Our Promo Solutions.Made of from 95% polyester and 5% spandex with hook and loop back and inner front panels. It's waterproof feature can temporarily help you out if you encounter the rain outdoor. Not only in summer, but also in other seasons, it must be a great hat. You can use it in different occasions,such as running, fishing, mountain climbing,hiking,sports,daily life,etc. Pls check inventory and detailed info with us before placing your orders.