Junior Infant Size Guide

FITS MAY VARY BY STYLE OR PERSONAL PREFERENCE; SIZES MAY VARY BY MANUFACTURER. MEASURMENTS ARE IN INCHES.

 

Age

0-3 Months

3-6 Months

6-9 Months

9-12 Months

12-18 Months

18-24 Months

2-3 Years

3-4 Years

4-5 Years

 

Nike

Chest

16.25–17”

17–17.75”

17.75–18.5”

18.5–19”

19–19.75”

19.75–20.5"

20.5–20.75"

20.75–22"

22–23"

Waist

16.5–17.5”

17.5–18.5”

18.5–19”

19–19.5”

19.5–20.25”

20.25–21"

21–21.25"

21.25–22"

22–22.75"

Hips

16.5–17.5”

17.5–18.5”

18.5–19”

19–19.5”

19.5–20.25”

20.25–21"

21–21.25"

22–23"

23–24"

Height

23.5–25.5”

25.5–27.5”

27.5–29.5”

29.5–31.5”

31.5–33.5”

33.5–35.5"

35.5–37.5"

37.5–41"

41–43"

 

Adidas

Chest

17”

18”

18.5”

19.5”

20”

20.5"

21.5"

22"

23"

Waist

17”

17.5”

18.5”

19.5”

19.5"

20"

20"

21"

21.5"

Hips

16.5”

17.5”

18.5”

19.5”

20.5”

21”

22"

23.5"

24.5"

Height

22.5-24.5”

25-27”

27.5-29”

29.5-31.5”

32-34”

34.5-36"

36.5-38.5"

39-41"

41.5-43.5"