SIZE (EU)       MAX FOOT LENGTH            SHOE INSOLE LENGTH

20                  12 cm - 4.72 inch                  12.5 cm – 4.92 inch

21                  12.5 cm- 4.92 inch                13 cm – 5.118 inch

22                  13.5 cm – 5.314 inch             14 cm – 5.5 inch

23                  14 cm – 5.5 inch                   14.5 cm – 5.7 inch

24                  14.5 cm – 5.7 inch                 15 cm – 5.9 inch

25                  15.5 cm – 6.1 inch                 16 cm – 6.3 inch

26                  16 cm – 6.3 inch                    16.5 cm – 6.5 inch

27                  16.5 cm – 6.5 inch                  17 cm – 6.7 inch

28                  17.5 cm – 6.9 inch                  18 cm – 7.1 inch

29                  18 cm – 7.1 inch                     18.5 cm – 7.28 inch

30                  18.5 cm – 7.28 inch                 19 cm – 7.48 inch