Autumn Winter Boys Jacket Keep Warm Thicken Fashion Windproof Outerwear Hooded Zipper Christmas Coat 3 4 5 6 7 8 9 10 Years Old

it is more correct to compare with the height:
(Unit：CM)
110=3T：length=54 bust=76 sleeve=43 shoulder=30, fits for: 90-100cm height / 3 Years Old

120=4T：length=57 bust=78 sleeve=46 shoulder=32, fits for: 100-110cm height / 4 Years Old

130=5T：length=60 bust=82 sleeve=48 shoulder=33, fits for: 110-120cm height / 5 Years Old

140=6T：length=63 bust=88 sleeve=50 shoulder=34, fits for: 120-130cm height / 6 Years Old

150=7T/8T：length=66 bust=90 sleeve=53 shoulder=35, fits for: 130-140cm height / 7-8 Years Old

160=9T/10T：length=68 bust=92 sleeve=56 shoulder=36, fits for: 140-150cm height / 9-10 Years Old
Note:
1.There is 2-3% difference according to manual measurement.(1 inch = 2.54 cm)
2.All measurement in cm, please note 1cm=0.3937ch, 1 inch=2.540cm
3.Please check the figures carefully and order the right size, don't completely depend on the " age advice". It's just for reference.