18/20

21/23

32/35

20-21

22-23

24-25

26-27

28-29

32-33

34-35

Size 4

18M

6 months

6-9 months

6-12 months

9-12 months

12-18 months

18-24 months

12-18 mths

1Y

2Y

9-10Y

2 years

3 years

4 years

6 years

7 years

8 years

10 years

12 years

1-2 years

2-3 years

3-4 years

4-5 years

4-6 years

5-6 years

7-8 years

7-9 years

9-10 years

10-11 years

10-12 years

12-14 years

6 years +