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Allbirds Runner-Up Sizing Guide
Does It Run Large or Small?
Allbirds Runner-Up runs 1.5 times larger than other Allbirds shoes and requires a custom size chart, which you find below.
Official Allbirds Size Chart
Allbirds :: Official :: Half Size :: Male
Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.
Fit Type: Runs large
| Size (EU) | Shoe Length (mm) |
|---|---|
| 41 | 253 |
| 41.5 | 258 |
| 42 | 263 |
| 42.5 | 268 |
| 43 | 273 |
| 43.5 | 278 |
| 44 | 283 |
| 44.5 | 288 |
| 45 | 293 |
| 45.5 | 298 |
| 46 | 303 |
| 46.5 | 308 |
| 47 | 313 |
Based On: Allbirds :: Official :: Half Size :: Male
Last updated: 2025-07-23 17:03:43