Size Guide - Nike Kid's Junior Clothing

INFANTS
Size 0M / NB 3M 6M 9M 12M 18M 2 / 24M 3 4
Age (Months) 0 - 3 3 - 6 6 - 9 9 - 12 12 - 18 18 - 24 24 - 36 36 - 48 48 - 60
Height 20 - 22 22 - 24.5 24.5 - 26.5 26.5 - 29 29 - 31.5 31.5 - 34 34 - 36 36 - 38.5 38.5 - 41
Weight 6 - 9.5 10 - 14.5 15 - 18 18.5 - 22 22.5 - 25 25.5 - 28 28.5 - 30
Chest 14.5 - 16.5 16.5 - 17.5 17.5 - 18 18 - 18.5 18.5 - 19.5 19.5 - 20.5 20.5 - 21 21 - 22 22 - 23
Waist 15.5 - 17 17 - 18 18 - 18.5 18.5 - 19 19 - 19.75 19. 75 - 20.5 20. 5 - 21 21 - 21.5 21.5 - 22
Seat 15.5 - 17 17 - 18 18 - 18.5 18.5 - 19 19 - 20 20 - 21 21 - 21.5 21.5 - 22.5 22.5 - 23.5
 
TODDLERS
Size 4 5 6 6X / 7
Age 3 - 4 4 - 5 5 - 6 6 - 7
Height  38.5 - 41 41 - 43 43 - 46 46 - 48
Chest 22 - 23 23 - 24 24 - 24.75 24.75 - 26
Waist 21.5 - 22 22 - 22.5 22.5 - 23 23 - 24
Hip 22.5 - 23.5 23.5 - 24.5 24.5 - 25.5 25.5 - 26.5
 
YOUTH
Size XS S M L XL
Age 7 - 8 8 - 10 10 - 12 12 - 13 13 - 15
Height 48 - 50 50 - 54 54 - 57 57 - 61 61 - 65
Chest 25.5 - 27 27 - 29 29 - 31 31 - 33.5 33.5 - 36.5
Waist 23.5 - 24 24 - 25 25 - 27 27 - 28 28 - 29.5
Hip 27 - 29 29 - 31 31 - 33 33 - 35 35 - 37