Size Guide Base Protection
Footwear Sizes
| UK | EU | Millimetres |
| 2 | 34 | 220 |
| 3 | 35 | 225 |
| 4 | 36 | 231 |
| 4.5 | 37 | 237.5 |
| 5 | 38 | 244 |
| 6 | 39 | 250.5 |
| 6.5 | 40 | 257 |
| 7 | 41 | 263.5 |
| 8 | 42 | 270 |
| 9 | 43 | 276.5 |
| 10 | 44 | 283 |
| 11 | 45 | 289.5 |
| 11.5 | 46 | 296 |
| 12 | 47 | 302.5 |
| 13 | 48 | 309 |
| 13.5 | 49 | 315 |
| 14 | 50 | 321 |