Size  Chest Waist Height Weight
0-6 Months 9" 9" 15 1/8" 5-12.5 lbs
6-12 Months 9 7/8" 9 7/8" 17" 12.5-20.5 lbs
12-18 Months 10 1/2" 10 1/2" 19 3/8" 20.5 -27.5 lbs