Size:

American Size 4 = European 1.5American Size 4.5 = European 2American Size 5 = European 2.5American Size 5.5 = European 3American Size 6 = European 3.5American Size 6.5 = European 4American Size 7 = European 4.5American Size 7.5 = European 5American Size 8 = European 5.5American Size 8.5 = European 6American Size 9 = European 6.5American Size 9.5 = European 7American Size 10 = European 7.5American Size 10.5 = European 8American Size 11 = European 8.5American Size 11.5 = European 9American Size 12 = European 9.5