For reference, I'm 5'2, weight fluctuates between 175-180, I got a size large. Almost ALL of my fluffiness is in my stomach. Most body shapers don't flatten the fluff, it only smooths the fluff. I've tried SKIMS, Spanks, Honeylove, and Shapellx. They only smooth the basketball, not deflate it-if you know what I mean. This one ACTUALLY flattens/shapes and I can see a big difference in my clothes. You CAN see the zipper in the middle if your clothes are thin but it's not a big deal (not for me anySee full review