MEN'S SIZING CHART USA Euro UK Inches 7 40 6.5 9.625 7.5 40 - 41 7 9.75 8 41 7.5 9.9 8.5 41 - 42 8 10.1 9 42 8.5 10.25 9.5 42 - 43 9 10.4 10 43 9.5 10.6 10.5 43 - 44 10 10.75 11 44 10.5 10.9 11.5 44 - 45 11 11.1 12 45 11.5 11.25 13 46 12.5 11.6 14 47 13.5 11.9 WOMEN'S SIZING CHART USA Euro UK Inches 6 36-37 4 8.875 6.5 37 4.5 9.06 7 37-38 5 9.25 7.5 38 5.5 9.375 8 38-39 6 9.5 8.5 39 6.5 9.687 9 39-40 7 9.875 9.5 40 7.5 10 10 40-41 8 10.1875 10.5 41 8.5 10.3125 11 41-42 9 10.5 11.5 42 9.5 10.6785 12 42-43 10 10.875