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 (Men)
US (Women)
UK (Men)
UK (Women)
36
4.5
6
4
3.5
37
5
6.5
45
4
38
6
7.5
55
5
39
7
8.5
65
6
40
7.5
9
7
6.5
41
8
9.5
7.5
7
42
8.5
10
8
7.5
43
9
10.5
8.5
8
44
10
12
9.5
9.5
45
11
13
10.5
10.5
46
12
13.5
11.5
11
47
13
14.5
12.5
12
48
14
15
13.5
12.5
49
15
16
14
13
50
16
17
15
13.5
51
17
18
16
14
52
18
19
17
15