Size Weight Length Chest Waist
0-3M 7-12lbs 18-23" 16-17" 16.5-17.5"
3-6M 12-17lbs 23-27" 17-18" 17.5-18.5"
6-12M 17-22lbs 27-29" 18-19" 18.5-19.25"
12-18M 22-27lbs 29-31" 19-20" 19.25-20"
18-24M 27-30lbs 31-33" 20-20.5" 20-20.25"
2T 30-33lbs 33-36" 20.5-21" 20-20.5"
3T 33-36lbs 36-39" 21-22" 20.5-21"
4T 36-40lbs 39-42" 22-23" 21-21.5"
5T 40-46lbs 42-45" 23-24" 21.5-22"
6 46-50lbs 45-48" 24-25" 22-22.5"