Men's Size info (barefoot volume):<br />EU size 39=US size 6.5=Foot length 245mm<br />EU size 40=US size 7=Foot length 250mm<br />EU size 41=US size 8=Foot length 260mm<br />EU size 42=US size 8.5=Foot length 265mm<br />EU size 43=US size 9.5=Foot length 275mm<br />EU size 44=US size 10=Foot length 280mm <br />EU size 45=US size 11=Foot length 290mm <br />EU size 46=US size 12=Foot length 300mm<br />EU size 47=US size 12.5=Foot length 305mm<br />Attention:This kind of shoes is smaller than your normal size，so suggest choose one size bigger!Please measure your foot length， then choose the right size.