If you are a woman， you can choose the right size according to the size of the following.<br /><br />Women  Size 35 =  US5    = length 225mm=8.85in<br />Women  Size 36 =  US6.0 = length 230mm=9.05in<br />Women  Size 37  = US6.5 = length 235mm=9.25in<br />Women  Size 38 =  US7.5 = length 240mm=9.45in<br />Women  Size 39 =  US8.5  =length 245mm=9.65in<br />Women  Size 40 =  US9.0  =length 250mm=9.84in<br />Women  Size 41 =  US9.5  =length 255mm=10.04in<br />Women  Size 42 =  US10  = length 260mm=10.23in<br />Women  Size 43 =  US11  = length 265mm =10.43in<br /><br />========================================================<br />If you are a man， you can choose the right size according to the size of the following.<br /><br />Men Size 38 =  US6.0  = length 240mm=9.44in<br />Men Size 39 =  US6.5  =length 245mm=9.64in<br />Men Size 40 =  US7.0  = length 250mm=9.84in<br />Men Size 41 =  US8.0  =length 255mm=10.04in<br />Men Size 42 =  US8.5  = length 260mm=10.23in<br />Men Size 43 =  US9.5  = length 265mm=10.43in<br />Men Size 44 =  US10   = length 270mm=10.63in