For the best fit make sure to purchase 1 entire size larger than your original shoe size, so your heel can rest on the sole in the most comfortable manner.

EU
US (Kids)
UK (Kids)
23 7 6
24 8 7
25 9 8
26 9.5 8.5
27 10 9
28 11 10
29 11.5 10.5
30 12 11
31 13 12
32 1 13
33 2 1.5
34 3 2.5
35 4 3.5