Used for three days this summer. I wiped it down every day after use, but did not wash it. 10,780 yen (tax included) 100% UV cut, 100% infrared cut A completely blackout hat that cuts 100% of visible light. The string is removable. It can be folded, and will be shipped in a folded state. The inside of the hat is mesh, and the mesh is pocket-shaped, so you can put a towel or ice pack in the top of the head and around the head. Head circumference: 60cm Height: Approximately 9.5cm Brim width: Approximately 15cm Wire around the brim Four loops for chin strap