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Allbirds Size Charts

Find your perfect fit with the official Allbirds size charts

Use these size charts to find the right size for your next pair of Allbirds shoes. All measurements are in millimeters (mm).

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Get a size recommendation based on the shoes you already own. No guessing. No measuring. Just a better fit.

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Allbirds - Whole 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
245 41
255 42
265 43
275 44
285 45
295 46
305 47

Based On: Allbirds :: Official :: Whole Size :: Male

Last updated: 2025-09-05 06:35:39

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

Allbirds - Whole Size - Women

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
205 35
215 36
225 37
235 38
245 39
255 40
265 41

Based On: Allbirds :: Official :: Whole Size :: Women

Last updated: 2025-09-05 06:35:39

Allbirds - Half Size - Women

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
213 35
218 35.5
223 36
228 36.5
233 37
238 37.5
243 38
248 38.5
253 39
258 39.5
263 40
268 40.5
273 41

Based On: Allbirds :: Official :: Half Size :: Women

Last updated: 2025-09-05 06:35:39