I didn't know I needed an athletic romper, but after purchasing this, athletic rompers are my new aesthetic. I first bought it in black in my regular size (8) and a size down (6). I ended up keeping the 6. It fits perfectly, is so comfortable, and omg is it flattering! I'm 5'7', 150lbs, athletic bu...ild particularly in the upper arms/shoulders and upper legs. The 'regular' was perfect in length and it's easy to get on and off. It accentuates my small waist the inseam of the shorts is perfect. I wore it to a charity bags tournament last week with Givenchy sneakers and my husband said that it's by far his favorite piece of clothing that I own. What! He said he kept finding himself checking me out from across the room, and that it was really amazing how "confident and comfortable" he could tell that I felt in it. So, I bought it in the two other colors too. I've since worn it to run errands, and to the club as a pool cover up. It could even be dressed up with heels. Possibly the most versatile piece of clothing ever. My ONLY knock on it is that the back pockets get bunched up. I may actually have a tailor fix this by removing the liners as I'll never use them anyway. Buy it!