Size Weight Length Chest Waist
NB
Under 7lbs
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/6
40-50lbs
42-48"
23-25"
21.5-22.5"