Boys Long Sleeved T-shirt Size Chart

 

 Size Chest (cm) Sleeve (cm) Length (cm) Average Age
XS 40 49 53 7-8 years
S 44 51 58 8-9 years
M 47 53 61 10-11 years
L 48 55 64 12 years
XL 50 57 66 14 years