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US 6 = EU 37 =foot length 235 mm
US 7 = EU 38 =foot length 240 mm
US 8= EU 39 =foot length 245 mm
US 9 = EU 40 =foot length 250 mm
US10= EU 41 =foot length 255 mm
US 11 = EU 42 =foot length 260 mm
We suggest you choose a larger size, if your actual feet length is longer than the above feet length.
Note: There might be 2-3% difference according to manual measurement.
Please check the measurement chart carefully before you buy the item.
Please note that slight color difference should be acceptable due to the light and screen.