Size Guide

Australia/Rest of the world
Size 0000 000 00 0 1 2 3 4
Age (months) Newborn 0 - 3 3 - 6 6 - 12 12 - 18 18 - 24 36 48
Chest (cm) up to 40 43 46 49 51 53 56 58
Height (cm) up to 56 62 68 76 84 92 100 108
Weight (kg) 2 - 4 4 - 6 6 - 8 8 - 10 10 - 12 12 - 14 14 - 16 16 - 18
United states
Size 0000 000 00 0 1 2 3 4
Age (months) Newborn 0 - 3 3 - 6 6 - 12 12 - 18 18 - 24 36 48
Chest (in) up to 15.7 16.9 18.1 19.3 20 20.9 22.0 22.8
Height (in) up to 22 24.5 26.8 29.2 33.1 36.2 39.4 42.5
Weight (lbs)  4.4 - 8.9 8.9 - 13.3 13.3 -17.8 17.8 - 22.2 22.2 - 26.7 26.7 - 31.1 31.1 - 35.5 35.5 - 40.0