I ordered size SMALL. I’m 5’4ish, 130lbs, top size S/M, Jean size 2/4, athletic build for reference. Nice fitting bodysuit. Good quality for the price. I’m actually in between sizes small and medium, but decided to size down, so as expected it’s more form fitting (I’m sure Medium would have worked fine too!). It doesn’t pull or do anything funky in the crotch, and so far, no noticeable bulging panty line. I’ll definitely be ordering more (maybe in a Medium for a less form fitting one)! I’d say tSee full review