Sizes:
36 eu - 4 - 5.5 us mens, 5 - 6.5 us womens
38 eu - 5.5 - 7 us mens, 6.5 - 8 us womens
40 eu - 7.5 - 9 us mens, 8.5 - 10 us womens
42 eu - 9.5 - 10.5 us mens, 10.5 - 11.5 us womens
44 eu - 10.5 - 11.5 us mens, 11.5 - 12.5 us womens
46 eu - 11.5 - 12.5 us mens, 12.5 - 13.5 us womens