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

SizeChestWaistHipsHeightWeight
Buntings (0-9M)Approx. 26Up to 18.5 LBS
Infant (12-24m)Approx. 29 18.5-23 LBS
Toddler (2-4t)Approx. 41 24-36 LBS
Baby Costume Sizing Chart Diagram