keen
Our tool compares official keen size charts to find your perfect size. No measuring needed.
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All keen Model Specific Sizing Guides
keen :: Official :: male
Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.
Fit Type: True to size
| Foot Length (mm) | EU |
|---|---|
| 244 | 39.5 |
| 248 | 40 |
| 254 | 40.5 |
| 257 | 41 |
| 260 | 42 |
| 267 | 42.5 |
| 270 | 43 |
| 273 | 44 |
| 279 | 44.5 |
| 283 | 45 |
| 286 | 46 |
| 294 | 47 |
| 302 | 47.5 |
| 310 | 48 |
| 318 | 48.5 |
| 326 | 49 |
Based On: keen :: Official :: male
Last updated: 2025-07-17 11:28:48
Frequently Asked Questions About keen Sizing
Most keen shoes run true to size. Of the 4 models we track, 4 fit true to size, while 0 run small and 0 run large. Use our size charts to double-check the model you are shopping for.
Use our keen size conversion charts above. keen uses standard European sizing. EU 40 = US 7 (women) or US 7.5 (men) = UK 6.5. For exact conversions, see the charts on this page.
keen uses European sizing which tends to be consistent with other European brands. Compared to Nike or Adidas, you may need to check each model as fit varies. Use our size finder tool for accurate cross-brand comparison.