Note Our size is not standard US size， and it is only equal to foot length! <br />We use Foot Length as a reference.If your foot breadth is wider than normal，Please choose one size larger.<br /><br />Note: Because it is a pointed leather shoes， please choose one size lager than usual you wear.<br />US5.0=EU37=235mm(bare feet length)<br />US5.5=EU38=240mm<br />US6.0=EU39=245mm<br />US7.0=EU40=250mm<br />US7.5=EU41=255mm<br />US8.5=EU42=260mm<br />US9.0=EU43=265mm<br />US10.0=EU44=270mm<br />US10.5=EU45=275mm<br />US11.0=EU46=280mm<br />US11.5=EU47=285mm<br />US12.0=EU48=290mm <br /><br />I wish you have a happy online shopping!