The material is 100% polyester, but it's a nylon-like, rustling fabric, and unlined, making it perfect for a light outer layer. The marked size is M, but the actual size when laid flat is approximately 41cm for shoulder width, 48cm for body width, 60cm for sleeve length, and 67cm for length. There are no noticeable damages such as tears, frays, or stains. How is it? As this is a used item and has been stored at home, please refrain from bidding if you are concerned about the details or are looking for a perfect item. Please understand that there may be oversights of small stains or scratches due to amateur inspection. Please take a good look at the photos and if you have any questions, please ask before bidding. We will ship from Gifu Prefecture via Click Post (no compensation), with the shipping cost covered by us. We do not handle any other shipping methods, so please understand. Also, we are very sorry, but due to work commitments, shipping will be on the earliest Saturday or Sunday after confirmation of payment, so please be aware of this.