1 2 3 4 5 Years Winter Boys Clothing Sets Alphabet Fashion Warm Coat And Pants 2Pcs Boys Suits Birthday Gifts New Kids Clothes

it is more correct to compare with the height:
(Unit：CM)
S/80=9M-12M：Top length=36 bust=58 sleeve=29 pants=47, fits for:65-75cm height / 9-12 Months

M/90=18M-24M：Top length=38 bust=60 sleeve=31 pants=52, fits for:75-85cm height / 18-24 Months

L/100=3T：Top length=40 bust=62 sleeve=33 pants=55, fits for: 85-95cm height / 3
Years Old
XL/110=4T：Top length=42 bust=64 sleeve=35 pants=57, fits for: 95-105cm height / 4 Years Old

XXL/120=5T：Top length=44 bust=66 sleeve=37 pants=61, fits for: 105-115m height / 5 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.