Relationship between US size and China size:<br /><br />6.5(39)           7(40)         8(41)        8.5(42)          9.5(43)                             <br /><br />10(44)         11(45)          46(12)    <br /><br />Relationship between foot length and China size: <br /><br />24.5cm(39)           25cm(40)           25.5cm(41)           26cm(42)               <br /><br />26.5cm(43)           27cm(44)           27.5cm(45)           28cm(46)<br /><br />We guarantee the lowest price and highest quality for all of our products! If you find a cheaper price than ours， we'll lower the price right away. If you find that the quality of our product is poor， we'll give you an unconditional refund!