Hi.Thank you for place the order in our store.We will contract with you to confirm the size and colour.Please reply us as soon as possible.If we have no received any message from you within 2 days.We will delivery the goods according to your order.We hope you can be charge with the freight go and back if you want to change the shoe.Thank you for your cooperation!<br />US SIZE 4.5=UK SIZE 4=EUROPE SIZE 37= INSOLE LENGTH 245mm<br />US SIZE 5.5=UK SIZE 5=EUROPE SIZE 38= INSOLE LENGTH 253mm<br />US SIZE 6=UK SIZE 5.5=EUROPE SIZE 38.5= INSOLE LENGTH 257mm<br />US SIZE 6.5=UK SIZE 6=EUROPE SIZE 39= INSOLE LENGTH 262mm<br />US SIZE 7.5=UK SIZE 7=EUROPE SIZE 41= INSOLE LENGTH 272mm<br />US SIZE 8.5=UK SIZE 8=EUROPE SIZE 42= INSOLE LENGTH 280mm<br />US SIZE 9.5=UK SIZE 9=EUROPE SIZE 43= INSOLE LENGTH 288mm<br />US SIZE 10.5=UK SIZE 10=EUROPE SIZE 44= INSOLE LENGTH 295mm<br />US SIZE 11.5=UK SIZE 11=EUROPE SIZE 46= INSOLE LENGTH 306mm<br />US SIZE 12.5=UK SIZE 12=EUROPE SIZE 47= INSOLE LENGTH 315mm<br />If you have any question ，please contact me as soon as possible ，thank you very much!<br />