Size 7.5=40 fit for foot length is 25.3cm.
Size 8=41 fit for foot length is 26cm.
Size 8.5=42 fit for foot length is 26.7cm.
Size 9.5=43 fit for foot length is 27.3cm.
Size 10=44 fit for foot length is 28cm.
Size 11=45 fit for foot length is 28.7cm
Size 12=46 fit for foot length is 29.3cm.
Size 13=47 fit for foot length is 30cm.