Size Chart

Boys'

cm-kg in-lbs X-Small Small Medium Large X-Large XX-Large
US Sizes 5-6 7-8 10 12 14 16-18
Chest 58-61 65-67 70 72 77 81-85
Waist 57-58 60-62 65 67 71 75-79
Height 112-118 126-132 141 149 156 163-169
Weight 19-22 24-31 32-39 39-45 46-51 52-61

Girls'

cm-kg in-lbs X-Small Small Medium Large X-Large XX-Large
US Sizes 5-6 7-8 10 12 14 16-18
Chest 50-61 66-68 72.5 76 78 85-89
Waist 56 60-62 63.5 66 71 75-78
Height 112-118 132-136 140 147 155 164
Weight 19-22 24-31 32-39 38-43 45-50 49-59

Measurements refer to body size, not garment dimensions.