In one store, you’re a Size 4, in another a Size 8, and in another a Size 10 — all without gaining an ounce.

So starts a New York Times article, forwarded along by Kristin, Valerie, and Dolores.  It features this handy graphic illustrating just how much both sizes and proportions vary from store to store:

It’s interesting that this article is specific to women, as if the sizes and proportions in men’s clothes don’t vary. Hint: they do.

Lisa Wade, PhD is an Associate Professor at Tulane University. She is the author of American Hookup, a book about college sexual culture; a textbook about gender; and a forthcoming introductory text: Terrible Magnificent Sociology. You can follow her on Twitter and Instagram.