US Sizing EU Sizing CM Inches 4 20 14 5.5 5 21 15 5.9 6 22 15.5 6.1 7 23 16.5 6.4 8 24 17.5 6.8 9 25 18.5 7.3 10 26 19 7.5 11 27 19.5 7.7 12 28 20.5 8.1 13 29 21 8.3 Junior 1 30 21.5 8.5 Junior 2 31 22 8.7 Junior 3 32 22.5 8.9