Rompers are usually tough for me. i am petite, especially on top (5'2", 110 lbs, 34a), but have a healthy butt and hips, which can make sizing difficult. in this romper, i tried a regular xs, and found the fit very flattering. the top was blouse-y on me, but not overly so, and the arm holes didn't gape, which is usually an issue for me with non-petite sizing. the elastic waistband is also great, as you can adjust it to hit you in a flattering spot and keep the shorts from being too short (which