MENS SIZING
Size 38 euro = 4 usa = 10.04 inch (255mm) removable insole
Size 39 euro = 5 usa = 10.23 inch (260mm) removable insole
Size 40 euro = 6 usa = 10.43 inch (265mm) removable insole
Size 41 euro = 7 usa = 10.63 inch (270mm) removable insole
Size 42 euro = 8 usa = 11.02 inch (280mm) removable insole
Size 43 euro = 9 usa = 11.22 inch (285mm) removable insole
Size 44 euro = 10 usa = 11.42 inch (290mm) removable insole
Size 45 euro = 11 usa = 11.81 inch (300mm) removable insole
Size 46 euro = 12 usa = 12.00 inch (305mm) removable insole
Size 47 euro = 13 usa = 12.20 inch (310mm) removable insole
Size 48 euro = 14 usa = 12.40 inch (315mm) removable insole
Size 49 euro = 15 usa = 12.60 inch (320mm) removable insole
Size 50 euro = 16 usa = 12.80 inch (325mm) removable insole
WOMENS SIZING
Size 35 euro = 4 usa womens = 9.45 inch (240mm) removable insole
Size 36 euro = 5 usa womens = 9.64 inch (245mm) removable insole
Size 37 euro = 6 usa womens = 9.84 inch (250mm) removable insole
Size 38 euro = 7 usa womens = 10.04 inch (255mm) removable insole
Size 39 euro = 8 usa womens = 10.23 inch (260mm) removable insole
Size 40 euro = 9 usa womens = 10.43 inch (265mm) removable insole
Size 41 euro = 10 usa womens = 10.63 inch (270mm) removable insole
Size 42 euro = 11 usa womens = 11.02 inch (280mm) removable insole