Unit:CM
Size 110/M=4T:
Jacket length=53, Chest=80, Sleeve length=37;
Size 120/L=5:
Jacket length=55, Chest=82, Sleeve length=39;
Size 130/XL=6:
Jacket length=57, Chest=84,Sleeve length=41;
Size 140/2XL=7,8:
Jacket length=59, Chest=86,Sleeve length=43;
Size 150/3XL=9,10:
Jacket length=61, Chest=88,Sleeve length=45;
Size 160/4XL=11,12:
Jacket length=63, Chest=90,Sleeve length=47;

size: 110 fits for:100-110cm height /4 Years old
size: 120 fits for:110-120cm height /5 Years old
size: 130 fits for:120-130cm height / 6 Years old
size: 140 fits for:130-140cm height / 7-8 Years old
size: 150 fits for:140-150cm height / 9-10 Years old
size: 160 fits for:150-160cm height / 11-12 Years old
Note:
1.There is 2-3cm difference according to manual measurement.(1 inch = 2.54 cm)