This is a sun hat for children. It has only been tried on and is unused. It's very light and made of a fabric that seems like it will dry quickly. The mesh fabric in some areas provides good ventilation. There is a size adjustment string around the head. It's a simple hat that seems to go with anything. Head circumference: 50-54cm Material: Nylon Water-repellent finish When shipping, it will be folded slightly and sent via Click Post.