US Sizing Approx. Age CM INCHES
1 3-6 months 10.16 4
2 6-9 months 11.43 4.5
3 9-12 months 12.7 5
4 12-18 months 13.97 5.5
US Sizing CM INCHES
8 17.78 7
9 18.42 7.25
10 19.05 7.5
11 20.32 8
12 21.59 8.5
13 22.23 8.75
Junior 1 22.86 9
Junior 2 24.13 9.5