Made of Wheat Straw Brim measuring at 3 inches Crown measuring at 4 inches One size fits most up to 24 inches Interior sweatband for comfort UPF+ 50 sun protection Made of a lightweight straw, this boater is an essential summer accessory. The ribbon hatband adds a touch of sophistication to any outfit. Give this vintage style a modern twist and pair with any ensemble. This hat is not only stylish but also gives sun protection UPF+ 50.