This is a Patagonia wind shell, a classic item. The size is S, but it's equivalent to a Japanese M size. It fits me perfectly, and I'm 168cm tall and weigh 62kg. The photos show some wrinkles because it was stored in its pocket. I used to love wearing it for trail running, but I'm selling it because I bought another one. Please understand that this is a used item before purchasing. I will be away from December 30th to January 2nd and will not be able to ship during that time, so I have set the shipping time to be longer. I can ship within 1-2 days after January 3rd.