Different manufactures make different sizes. In one store you are 4, another store something else. At Forwever 21, I'm a 4, at Wet Seal, I'm a 1 or 2. Finally, at Banana Republic and at Abercrombie and Fitch I am a size 0. I'm also a 0-2 at American Eagle Outfitters. Everything depends on the cut of the clothing. What I think is funny is that the more expensve the clothing store, the smaller the size.