When trying to decide between two sizes, choose the larger size for a better fit.

SizeChest/BustWaistHips
Small (4-6)33"-35"24"-26"35"-37"
Medium (8-10)35"-37"27"-29"37"-39"
Large (12-14)38"-40"30"-32"41"-43"
XL (14-16)42"-44"33"-34"43"-44"
1X42"-45"33"-36.5"44.5"-47.5"
2X45"-48"36.5"-39.5"47.5"-50.5"
3X48"-51"39.5"-42.5"50.5"-53.5"
4X51"-55"42.5"-46.5"53.5"-57.5"
5X55"-59"46.5"-50.5"57.5"-61.5"