US Size 4 = EU Size 35   fit for 22.5 cm foot length(Normal Width)

US Size 5 = EU Size 36   fit for 23 cm foot length(Normal Width)

US Size 6 = EU Size 37   fit for 23.5 cm foot length(Normal Width)

US Size 7 = EU Size 38   fit for 24 cm foot length(Normal Width)

US Size 8 = EU Size 39   fit for 24.5 cm foot length(Normal Width)

US Size 9 = EU Size 40   fit for 25 cm foot length (Normal Width)

US Size 10 = EU Size 41   fit for 25.5 cm foot length (Wide Foot)