Prestbury PDP size chart
| Size | Calf Measurement (mm) | Wellington length (mm) | Insole (mm) |
|---|---|---|---|
| 21 | 233 | 160 | 140 |
| 22 | 246 | 160 | 146 |
| 23 | 250 | 160 | 153 |
| 24 | 262 | 180 | 159 |
| 25 | 267 | 180 | 165 |
| 26 | 278 | 180 | 170 |
| 27 | 285 | 180 | 179 |
| 28 | 291 | 200 | 185 |
| 29 | 301 | 200 | 193 |
| 30 | 309 | 200 | 200 |
| 31 | 313 | 200 | 206 |
| 32 | 327 | 220 | 212 |
| 33 | 330 | 220 | 220 |
| 34 | 346 | 220 | 227 |
| 35 | 351 | 220 | 233 |
