EU 40 40.5 41 41.5 42 42.5
CM 24.5 25 25.5 26 26.5 27

EU
43
43.5
44
44.5
45 45.5 46
CM
27.5
28
28.5
29
29.5 30 30.5

The size guide is taken directly from Valentino's own website and is approximate as different models may vary.