Sizing
UK
EU
US
Japan (cm)
7
40.5
7.5
25.5
7.5
41
8
26
8
42
8.5
26.5
8.5
42.5
9
27
9
43
9.5
27.5
9.5
44
10
28
10
44.5
10.5
28.5
10.5
45
11
29
11
46
11.5
29.5
11.5
46.5
12
30
12
47
12.5
30.5