This is authentic, guaranteed by the dealer! The condition is also beautiful! *There is no size notation, but the measured size is as follows. I looked it up online, and it seems like a women's M-L in terms of size, but the length might be a bit long? I think men can wear it too! Shoulder width / Body width / Sleeve length / Length Shoulder width: 41cm Body width: 48cm Sleeve length: 54cm Length: 61cm Stains, tears, odors, etc.: None