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

SizeChestWaistInseamHeight
small 34 1/8-35 1/426 1/8--27315' - 5
med 36 1/4-37 1/428-29315' - 5
Large 38 3/4-40 1/830 3/4-32 1/2315' - 5
Xlarge / 1XL42 1/8-4434 1/2-36 3/4315' - 5
XX large / 2XL4639315' - 5
XXX large / 3XL47.539.5315' - 5
*in inches
Girls Costume Sizing Chart Diagram