This is an Oxford shirt from United Tokyo. The material is quite stiff, and the collar area is sturdy. I bought it used on ZOZO. It's a gray long-sleeved shirt, a blend of polyester and cotton, providing a comfortable feel. - Color: Gray - Material: 34% Polyester, 66% Cotton - Gender: Men's - Size: 3 - Shoulder Width: 54cm - Body Width: 46.5cm - Length: 75.5cm - Sleeve Length: 64.5cm Thank you for looking.