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Birkenstock Sizing Guides
Does Birkenstock Run Large or Small? Find out with our brand specific size guides.
110 GBP
138.99 GBP
80 GBP
120 GBP
Birkenstock Boston (Unisex)
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Get a size recommendation based on the shoes you already own. No guessing. No measuring. Just a better fit.
All Birkenstock Size Charts
Birkenstock :: Official Narrow :: Unisex
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 |
|---|---|
| 221 | 35 |
| 226 | 36 |
| 231 | 37 |
| 241 | 38 |
| 246 | 39 |
| 251 | 40 |
| 261 | 41 |
| 266 | 42 |
| 271 | 43 |
| 281 | 44 |
| 286 | 45 |
| 291 | 46 |
| 301 | 47 |
| 306 | 48 |
| 311 | 49 |
| 321 | 50 |
Based On: Birkenstock :: Official Narrow :: Unisex
Last updated: 2025-07-17 11:28:48
Birkenstock :: Official Regular :: Unisex
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 |
|---|---|
| 221 | 35 |
| 226 | 36 |
| 231 | 37 |
| 241 | 38 |
| 246 | 39 |
| 251 | 40 |
| 261 | 41 |
| 266 | 42 |
| 271 | 43 |
| 281 | 44 |
| 286 | 45 |
| 291 | 46 |
| 301 | 47 |
| 306 | 48 |
| 311 | 49 |
| 321 | 50 |
Based On: Birkenstock :: Official Regular :: Unisex
Last updated: 2025-07-17 11:28:48