Dear， thank you for your coming， we only provide cost-effective products， we promise if received our shoes， have any not satisfied can refund (including a dog don't like can also oh)， we need your support， thank you!<br /><br />Size Specification(Important): <br />shoes EU Size 38 = US Size 6  = shoes length 240mm<br />shoes EU Size 39 = US Size 6.5  = shoes length 245mm  <br />shoes EU Size 40 = US Size 7  = shoes length 250mm  <br />shoes EU Size 41 = US Size 8  = shoes length 255mm <br />shoes EU Size 42 = US Size 8.5  = shoes length 260mm  <br />shoes EU Size 43 = US Size 9.5 = shoes length 265mm  <br />shoes EU Size 44 = US Size 10  = shoes length 270mm<br />shoes EU Size 45 = US Size 11  = shoes length 275mm  <br />shoes EU Size 46 = US Size 11.5  = shoes length 280mm  <br />shoes EU Size 47 = US Size 12  = shoes length 285mm<br />shoes EU Size 48 = US Size 13  = shoes length 290mm<br />  <br /><br />It is not standard US size.Please choose the right size according to your real foot length.Please do not decide the size by Google or the size standard in your country.<br />Fox example:<br />If you choose US 10，We will send size EUR 44， It comes with 270mm shoes length.<br />If your feet are fat，you may choose the bigger one size.<br />Thank you! Wish you a happy shopping!