Please choose your size according to your foot length.<br />Men size:<br />US size 6.5=EU 38=240 mm<br />US size 7=EU 39=245 mm<br />US size 7.5=EU 40=250 mm<br />US size 8=EU 41=255 mm<br />US size 8.5=EU 42=260 mm<br />US size 9.5=EU 43=265 mm<br />US size 10=EU 44=270 mm<br />US size 11=EU 45=275mm