NB 0-3 mths 3 mths 3-6 mths 6 mths 6-9 mths 6-12 mths 9-12 mths 0-12 mths 12 mths 12-24 mths 0-24 mths 12-18 mths 9 mths 18 mths 18-24 mths 24 mths 2T 3T 4T 4 5 6 6x 7 8 9 10 12 14 16 2/3 yrs 3/4 yrs 4/5 yrs 5/6 yrs 6/7 yrs 7/8 yrs 10/12 yrs 12/14 yrs 14/16 yrs small x-small medium large x-large S/M L/XL