Size: S/M Inner circumference: Approximately 57cm Brim length: Approximately 7cm Description: The chin strap is removable. There is a pocket on the left side, and the inside is mesh-lined with ventilation holes. Condition: This item is in excellent condition with a short period of use. There are no noticeable damages, and the condition is good. Notes: - Please note that the item may be sold out before your purchase, as it is also listed on other sites. - Unauthorized use of images is prohibited. Color: Green系 (Green-based) Stains, tears, odors, etc.: None