La Sportiva Footwear Size Chart

EUR USM USW UK
36 4.5 5.5 3.5
36.5 4.5+ 5.5+ 3.5+
37 5 6 4
37.5 5.5 6.5 4.5
38 6 7 5
38.5 6.5 7.5 5.5
39 6.5+ 7.5+ 6
39.5 7 8 6+
40 7.5 8.5 6.5
40.5 8 9 7
41 8.5 9.5 7.5
41.5 8.5+ 9.5+ 7.5+
42 9 10 8
42.5 9.5 10.5 8.5
43 10 11 9
43.5 10.5 11.5 9.5
44 10.5+ 11.5+ 9.5+
44.5 11 12 10
45 11.5 12.5 10.5
45.5 12 13 11
46 12.5 13.5 11.5
46.5 12.5+ 13.5+ 11.5+
47 13 14 12
47.5 13.5 14.5 12.5
48 14 15 13