Sizing Chart
0 Months (Newborn) .......... 5-9 lbs
3 Months & 0-3 Months .......... 7-12 lbs
6 Months & 3-6 Months ........... 12-16 lbs
9 Months & 6-9 Months ........... 16-21 lbs
12 Months & 12-18 Months ......... 20-24 lbs
18 Months & 18-24 Months ......... 23-26 lbs
2T ......... 25-28 lbs
3T ......... 28-34 lbs
4T ......... 34-37 lbs
5/6T ......... 37-43 lbs