Size 6 = EU size 21 = Insole length 13 cm, fit for foot length 12 cm
Size 6.5 = EU size 22 = Insole length 13.5 cm, fit for foot length 12.5 cm
Size 7 = EU size 23 = Insole length 14 cm, fit for foot length 13 cm
Size 8 = EU size 24 = Insole length 14.5 cm, fit for foot length 13.5 cm
Size 9 = EU size 25 = Insole length 15 cm, fit for foot length 14 cm
Size 9.5 = EU size 26 = Insole length 15.6 cm, fit for foot length 14.6 cm
Size 10 = EU size 27 = Insole length 16.2 cm, fit for foot length 15.2 cm
Size 11 = EU size 28 = Insole length 16.8 cm, fit for foot length 15.8 cm
Size 11.5 = EU size 29 = Insole length 17.4 cm, fit for foot length 16.4 cm
Size 12 = EU size 30 = Insole length 18 cm, fit for foot length 17 cm