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

SizeChestWaistHipsHeightWeight
Infant (0-6) 17-18181918-1923 - 2612-16 lbs.
Infant (12-18)19-2019-2019-2028-3220-26 lbs
Toddler (2-4T)22-2320-2122-2339-4234-38 lbs
Baby Costume Sizing Chart Diagram