Welcome， dear friend.<br />Size Chart (bare foot length)<br />US6=EU 38=240mm=Inch9.625<br />US6.5=EU 39=245mm=Inch9.685 <br />US7=EU 40=250mm=Inch9.875<br />US8=EU 41=255mm=Inch10<br />US8.5=EU 42=260mm=Inch10.25<br />US9.5=EU 43=265mm=Inch10.435<br />US10=EU 44=270mm=Inch10.625<br />US10.5=EU 45=275mm=Inch10.825<br />If your foot are wider than normal， please choose bigger one.<br />Have fun.