The shirts made by American Apparel tend to fit a little more snugly than other major brands. To help you find the right fit, here are some size charts
WOMEN
"Shirts"
(Long and Short Sleeve Tees and Tops/Cap Sleeve Raglan)
"Tank Tops"
(Racerback Tank/Spaghetti Tank)
"Dresses"
(Chemise/Leisure Dress/Fleece Hoody Dress)