Oxfords Size Chart:
US Size 7=24cm-24.5cm Foot Length
US size 8=24.5cm-25cm Foot Length
US Size 8.5=25cm-25.5cm Foot Length
US Size 9=25.5cm-26cm Foot Length
US Size 9.5=26cm-26.5cm Foot Length
US Size 10=26.5cm-27cm Foot Length
US Size 10.5=27cm-27.5cm Foot length
US Size 11=27.5cm-28cm Foot length
US Size 11.5=28cm-28.5cm Foot length
US Size 12=28.5cm-29cm Foot length