ON Dame Size Guide
US
UK
EUR
JP (CM)
5
3
36
22
5.5
3.5
36.5
22.5
6
4
37
23
6.5
4.5
37.5
23.5
7
5
38
24
7.5
5.5
38.5
24.5
8
6
39
25
8.5
6.5
40
25.5
9
7
40.5
26
9.5
7.5
41
26.5
10
8
42
27
10.5
8.5
42.5
27.5
11
9
43
28