Small > Cup fits A or B / 30"-32"
under bust / 32"-34" hips
Medium > Cup fits B or C / 32"-34 under
bust / 34"-36" hips
Large > Cup fits C or D / 34"-36"
under bust / 36-38" hips
X-Large > Cup
fits D / 36"-38" under bust / 38"-40" hips
This information is supposed to be in the Ordering Information section, sorry. It'll be up tomorrow. Thanks for letting me know!