For the best fit, we recommend going one size up for this product.
| Footbed Length (mm) | Footbed Width Narrow (mm) | Footbed Width Average (mm) | Footbed Width Wide (mm) | EU | UK | US | AU |
| 218-222 | 218 | 220 | 221 | 36 | 3 | 5 | 5 |
| 222-226 | 221 | 223 | 225 | 36.5 | 3.5 | 5.5 | 5.5 |
| 226-231 | 225 | 226 | 228 | 37 | 4 | 6 | 6 |
| 231-235 | 228 | 230 | 231 | 37.5 | 4.5 | 6.5 | 6.5 |
| 235-239 | 231 | 233 | 235 | 38 | 5 | 7 | 7 |
| 240-244 | 235 | 237 | 238 | 38.5 | 5.5 | 7.5 | 7.5 |
| 244-248 | 238 | 240 | 242 | 39 | 6 | 8 | 8 |
| 248-252 | 242 | 243 | 245 | 40 | 6.5 | 8.5 | 8.5 |
| 252-256 | 245 | 246 | 248 | 41 | 7 | 9 | 9 |
| 256-260 | 248 | 250 | 251 | 41.5 | 7.5 | 9.5 | 9.5 |
| 260-264 | 251 | 253 | 255 | 42 | 8 | 10 | 10 |
| 264-268 | 255 | 256 | 258 | 42.5 | 8.5 | 10.5 | 10.5 |
| 268-272 | 258 | 260 | 262 | 43 | 9 | 11 | 11 |
