All measurments are in inches.

Boys (4-11 YRS)

Size HEIGHT CHEST WAIST INSEAM AGE
XS 5 44 23 22.5 19 4-5
S 6 47 24 23 20.5 5-6
7 49 25.5 23.5 23 6-7
M 8 52 26.5 24 25 7-8
L 10 55.5 27.5 25 27 8-9
12 58.5 28.5 26.5 28 9-10
XL 14 61.5 30.5 28 29 10-11
All measurments are in inches.

Girls (4-11 YRS)

Size HEIGHT CHEST WAIST INSEAM AGE
XS 5 44 23 22 19 4-5
S 6 47 24 22.5 20.5 5-6
7 49 26 23 23 6-7
M 8 52 27 24 25 7-8
L 10 55 28.5 25 27 8-9
12 58 30 26 28.5 9-10
XL 14 61 31.5 28 30 10-11