Letter sizes — like S, M, L or XL — are essentially useless unless you know your measurements. Am I a Medium or Large? Why You Might Wear One Size from One Brand and a Bigger One from Another Products ...
In the world of women’s clothing, a 4 is a 2 is a 6. Everything is relative — unless, of course, you’re shopping in Brandy Melville’s teen-“friendly” SoHo store, where the only size is small.