This is a jersey jacket. I bought a size S because it's stretchy, but it's still too tight and looks unflattering, so I've only tried it on. It's quite roomy, so it might also be good for those who usually wear a size M. The shape is nice, and the length is easy to match with both skirts and pants, so I think it's versatile. ≪Size≫ Marked S Width 43cm Length 56cm