Size Chart - Hallam

SIZE (EU) SIZE (UK) SIZE (US)
36 4.5 5
37 5 5.5
38 5.5 6
39 6 6.5
40 6.5 7
41 7.5 8
42 8 8.5
43 9 9.5
44 9.5 10
45 10 11
46 11 12
47 12 12.5
48 12.5 13

Take your usual size. If your foot is a little wide, go half a size up.