I cannot say enough great things about this body shaper! I'm 5'4" 110lbs, and ordered the extra small. I'm also 46 years old and though thin, nothing is where it used to be and thanks to genetics I carry extra weight in the middle. I ordered the zip up boy short shaper in nude and not only does it flatten my stomach, it gives me a waist!! My confidence is way up and it's so nice not to have to suck in my stomach in public. I'm also shocked by how comfortable it is compared to any other I have tried in the past. Will be ordering this in black also!!