Wow LOVE this top! Regarding sizing... I am 5'4" and 36B (but barely), and 129 pounds. I ordered a medium and a small. The medium fits me exactly the same as pictured on the model, straps perfectly situated, loose over the belly, sleeves where they should be. The small was a bit snug on my belly so I'm saving it for when I lose a few more pounds.I think for women who have a bigger boobs, the issue with fitting may be that there appears to not be a front or a back to this shirt? Like, it looks like both sides are cut exactly the same? And tag is on the side seam so it's hard to tell. I imagine the cut would cause an issue with bigger boobs.Now about the top...nice soft fabric that flows, thick enough to not cling, and stitching looks good. So very flattering! Sexy without putting everything on display. Can't wait to wear it to dinner this weekend!