Ventilation (five holes under the armpits) prevents stuffiness caused by sweat. By circulating air through the vents, sweat evaporates quickly, and body temperature is regulated by evaporative cooling. The collar can be securely fastened with a leather belt. The cuffs can be adjusted with buttons. Brand: SHIPS Color: Brown Size: S Flat measurements: Length: Approximately 63 cm Shoulder width: Approximately 40 cm Width: Approximately 45 cm Sleeve length: Approximately 63 cm Please note that there may be slight variations due to amateur measurements. There are no noticeable scratches or stains, and it is in relatively clean condition. ◇ Please understand that this is a used item before purchasing. ◇ We may change the shipping method, such as from Rakuraku Mercari to Yu-Yu Mercari. ⚠️ ◇ To offer the item at a lower price, we will pack it in a compressed form to minimize the size. If you prefer a different packaging method, we will accommodate it for an additional fee. ◇ Please forgive any wrinkles due to storage or packaging.