These might run large-- waist measures a little bigger than I'd expect from a 31 but I could be wrong. Just double check against a pair you already own with a similar rise to be sure. You can also always type in the item code at the end of the title into the Madewell website and it'll bring up even older, sold out styles with their reviews for fit insight. Flat measurements: waist 17 hip 20.5 rise 13 inseam 28