EU	US	UK
35	W 5	W 4
36	W 6	W 5
37	W 7	W 6
38	W 8	W 7
39	W 9	W 8
40	W 10 / M 7	W 9 / M6
41	W 11 / M 8	W 10 / M7
42	M 9	M 8
43	M 10	M 9
44	M 11	M 10
45	M 12	M 11
46	M 13	M 12

 

Runs true to size, snug fit, size up if half size.