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

SizeChestWaistHipsHeightWeight
0-6 MonthsUp to 1817.751823-258-16 lbs.
6-12 Months19.518.519.525-2917-23 lbs.
BuntingUp to 18 lbs.
24months-2T20-2218-2033-3720-28 lbs.
3T-4T21-2319-2138-4028-36 lbs.
Small/ 5-6T22-2519-2238-46
*in inches