Youth Clothing Sizes

Alpha Size Equivalent Size (U.S. Boys or Girls)
XS 10
S 12
M 14
L 16

Children's Clothing Sizes

Alpha Size Equivalent Size (U.S. Boys or Girls)
S 4
M 6
L 8

Infant's Clothing Sizes

Alpha Size Age (Months) Weight Height
lbs kg in cm
2XS Premature 4–9 2–4 19 48
XS 0–3 10 4.5 22 56
S 3–6 14 6.5 25 63.5
M 6–12 18 8 28 71
L 12–18 22 10 31 79
XL 18–24 26 12 34 86.5