Footwear
Don't measure your feet in the morning. Feet often swell during the day due to heat and activity. For the best fit, measure your feet at the end of the day.
| UK | HEEL-TOE | EUROPE | US - MEN | US - WOMEN |
| 3.5 | 8.7" | 36 | 4 | 5 |
| 4 | 8.9" | 36 2/3 | 4.5 | 5.5 |
| 4.5 | 9.0" | 37 1/3 | 5 | 6 |
| 5 | 9.2" | 38 | 5.5 | 6.5 |
| 5.5 | 9.4" | 38 2/3 | 6 | 7 |
| 6 | 9.5" | 39 1/3 | 6.5 | 7.5 |
| 6.5 | 9.7" | 40 | 7 | 8 |
| 7 | 9.8" | 40 2/3 | 7.5 | 8.5 |
| 7.5 | 10.0" | 41 1/3 | 8 | 9 |
| 8 | 10.2" | 42 | 8.5 | 9.5 |
| 8.5 | 10.4" | 42 2/3 | 9 | 10 |
| 9 | 10.5" | 43 1/3 | 9.5 | 10.5 |
| 9.5 | 10.7" | 44 | 10 | 11 |
| 10 | 10.9" | 44 2/3 | 10.5 | 11.5 |
| 10.5 | 11.0" | 45 1/3 | 11 | 12 |
| 11 | 11.2" | 46 | 11.5 | 12.5 |
| 11.5 | 11.4" | 46 2/3 | 12 | 13 |
| 12 | 11.5" | 47 1/3 | 12.5 | 13.5 |
| 12.5 | 11.7" | 48 | 13 | 14 |
| 13 | 11.9" | 48 2/3 | 13.5 | 14.5 |
| 13.5 | 12.0" | 49 1/3 | 14 | 15 |
| 14 | 12.2" | 50 | 14.5 | 15.5 |
| 14.5 | 12.4" | 50 2/3 | 15 | - |
| 15 | 12.7" | 51 1/3 | 16 | - |
| 16 | 13.0" | 52 2/3 | 17 | - |
| 17 | 13.4" | 53 1/3 | 18 | - |
| 18 | 13.7" | 54 2/3 | 19 | - |