Sanita Women's Size Chart:

U.S. 4.5-5 5.5-6 6.5-7 7.5-8 8.5-9 9.5-10 10.5-11 11.5-12
Euro 35 36 37 38 39 40 41 42

Sanita Men’s Size Chart:

U.S. 6.5-7 7.5-8 8.5-9 9.5-10 10.5-11 11.5-12 12.5-13 13.5-14 14.5-15
Euro 40 41 42 43 44 45 46 47 48