This is a GU open collar shirt. I'm selling it because my style has changed. The fabric is sturdy, so it's perfect for winter. ● Size: M size (men's) Can be worn by both men and women! I wore it slightly oversized at 157cm. It can also be used as a light jacket when it's chilly. ● Material: 72% polyester 26% rayon 2% polyurethane Please check the third photo for details. ● Condition: I wore it a few times, but there are no stains or fraying. Please understand that this is a used item before purchasing. ● Other notes: It was stored in my apartment. Please check the photos for details on the design. The color in the first photo is the closest to the actual color.