Instant purchase OK. I wore this for a year, in spring and autumn. The fabric is thin overall, and the back is mesh, so it's very cool. The length is about 64cm, measured from the highest point of the shoulder. It's a size S or M. (See images 3 and 4) Please ask any questions in the comments. #Women's #Men's #Unisex #Genderless #Black #Lightweight