‼️ Cannot ship on Saturdays, Sundays, and holidays. This is a used item, so please only proceed with the transaction if you understand that it is used. This is a hat from THE 9 shop O Bōshi, designed by Rokka Suzuki. The fabric is a bit unique, and it's a washable hat. You can keep it clean. Size is indicated as 57.5, and it can be adjusted with Velcro. I think it's a material that can be used in all seasons except winter.