Condition: Gently used, in excellent condition. Material: Polyester (Wickron) Wickron is a high-performance material developed by Montbell. It excels in stretch, durability, absorbency, and breathability. It is also highly stain-resistant, making it difficult to stain, and the collar folds will come clean after washing. Follow-up Discount for Potential Buyers: Get a 500 yen discount by following. If you wish to purchase, please comment "I want to buy at the follow price," and we will adjust the price after confirmation.