Size guide:
Unisex children’s fit:
9-11 years old, half chest 41, body length 57.5, sleeve length 16.5
12-14 years old, half chest 44, body length 62.5, sleeve length 18.5
Unisex adult fit:
XS, half chest 46, body length 66, sleeve length 19.5
S, half chest 49, body length 69, sleeve length 20.5
M, half chest 52, body length 72, sleeve length 21.5