Hi Anna, Sorry, I am entertaining a bid placed within minutes of posting this one. Also am only listing to my capacity of Free Shipping found here. Fanned you!!
Thanks for the interest. The tag has an s on it. To expand on that.I measured the sleeve lengths to be !8" from armpit to end of the cuffs. Also, The zipper measures 18" long. Hope this helps clarify. I'd guess a small med- to a large small.