Newborn 0000
0-20” Height / 18” Waist / 17.5” Chest

0-3M 000
21-24” Height / 18.5” Waist / 18” Chest

3-6M 00
24-27” Height / 19” Waist / 18.5” Chest

6-12M 0
26-30” Height / 19.5” Waist / 19” Chest

12-18M 1
29-33” Height / 20” Waist / 20” Chest

18-24M 2
33-36” Height / 20.5” Waist / 21” Chest