this shirt is so cute but it does run big I tried on the shirt because it looked soo big but when I tried it on , it wasn’t as big as I thought. it looks more oversized and if you want it tight fitted size down a size or two. I can return it but I think I’ll just purchase another in a size XS and keep the small in case or give it away to a friend. I don’t have much chest and my arms aren’t that big so the shirt looks baggy on me