I wear a size 14/16 and after reading some reviews, I ordered a Medium. I was skeptical at first, but it slides right on and it even provides some smoothing but does not feel nearly as restrictive as most smoothing shorts. I'm rather short, so it's been super hard for me to find something to wear under a dress and this is just perfect. Now I can say goodbye to bandoliers and the diy fixes to rubbing thighs. This works amazingly. I'm definitely ordering another pair.