sizes are made very small, I ordered a size up than I thought I’d need, and I’ve very glad I did because it JUST fit (I could had even used a size even bigger if I wanted more of an oversized look once it’s buttoned up, but because I’m very short (only 5feet tall), I didn’t want it to be too big especially since it was marked as a unisex size, so I thought it may be made a little looser)