It's cotton. The zipper closes, but it takes a little practice. Length: 70cm Width: 71cm Shoulder width: 65cm Sleeve length: 75cm Sleeve + Shoulder: 90cm *Please check the profile before purchasing. *Please note that these are amateur measurements. *We do not accept photos of the item being worn. ◼︎Notes◼︎ We recommend comparing the size to your own clothes using the measurements provided. As this is a used/vintage item, there may be signs of wear. If you are used to wearing used clothing, you should be able to use it without any problems. However, please refrain from purchasing if you do not understand used clothing or if you are sensitive to such things. We check the items carefully, but there may be oversights. *To reduce shipping costs, we will pack the item compactly without inner bags, etc., so there may be creases. Thank you for your understanding. 90s, 00s, 90s, 80s, 70s, Y2K, vintage, Showa retro, retro, Adidas, Nike, adidas, NIKE, used clothing, oversized, XL, all-over print, KING GNU, Daiki Tsuneta, Satoru Iguchi, Masaki Suda, Nana Komatsu