Allbirds
Allbirds Runner-Up
Our tool compares official Allbirds size charts to find your perfect size. No measuring needed.
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This is the official brand-wide Allbirds size chart. Allbirds uses the same chart for the Allbirds Runner-Up as for its other models.
Allbirds - 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
| Shoe Length (mm) | EU |
|---|---|
| 253 | 41 |
| 258 | 41.5 |
| 263 | 42 |
| 268 | 42.5 |
| 273 | 43 |
| 278 | 43.5 |
| 283 | 44 |
| 288 | 44.5 |
| 293 | 45 |
| 298 | 45.5 |
| 303 | 46 |
| 308 | 46.5 |
| 313 | 47 |
Based On: Allbirds :: Official :: Half Size :: Male
Last updated: 2025-09-05 06:35:39
Frequently Asked Questions
The Allbirds Runner-Up runs large. Use our find size tool to see what the charts say.
Your Allbirds Runner-Up size depends on what shoes you currently wear. Our size finder tool uses your existing shoes to recommend the perfect Allbirds Runner-Up size. The Allbirds Runner-Up is larger than standard Allbirds sizing.
Last updated: 2025-12-05 22:01:26