Hello,my dear friend!
<br />we strongly recommend you to according to our size chart to chose the most appropriate size,pls check the chart and chose the shoes according to your feet length. thanks.
<br />CN/EU size 35 (US 4),   suit for foot 220-225mm
<br />CN/EU size 36 (US 5),   suit for foot 225-230mm
<br />CN/EU size 37 (US 5.5),   suit for foot 230-235mm
<br />CN/EU size 38 (US 6),   suit for foot 235-240mm
<br />CN/EU size 39 (US 6.5),   suit for foot 240-245mm
<br />CN/EU size 40  (US 7),   suit for foot 245-250mm
<br />CN/EU size 41  (US 8),   suit for foot 250- 255mm
<br />CN/EU size 42 (US 8.5), suit for foot 255-260mm
<br />CN/EU size 43 (US 9), suit for foot  260-265mm
<br />CN/EU size 44 (US 10),  suit for foot 265-270mm   
<br />CN/EU size 45 (US 11),  suit for foot 270-275mm Please choose size by your foot length