The size is men's M. It can be worn as a women's size. It has only been worn once, but the button on image 7 came off, so I reattached it myself (I used super glue). It's not noticeable as far as I can see. It's not noticeable unless you take the button off. Otherwise, it's very clean. Please purchase only if you understand the above. Please refrain from purchasing if you are sensitive to details.