Measurements:

4~8 years old:
shirt:
length 22", sleeves length 15", chest round 31", shoulder length 4.5"
pants:
length 27", waistround 30"

9~12 years old:
shirt:
length 24.5", sleeve length 15.5", chest round 38", shoulder length 6"
pants:
length 28.5", waistround 31.5"

13~15 years old:
shirt:
length 27.1", sleeve length 21.6", chest round 35.4", shoulder width 15.7"
pants:
length 36.6", loose waistround 21.2", tight waistround 34.6"