Amur Yellow Rosalina Off Shoulder Top Sz S?

Amur Mustard Yellow Off the Shoulder Crop Top Sz S? The tag list this as small. However, it's a bit large on me, and I typically wear a large. Please compare measurements 21 in pit to pit 20 in waist 9.5 in shoulder to hem very cropped there are some signs of wear. The fabric is worn through a bit around the elastic part on the sleeves (the armpit area) body 100% silk lining 100% cupro balloon/puff sleeves drawstring at the waist