I bought them as a
"I bought them as a study said these were found to have the lowest amount of carbamate accelerants in their production but I think things have changed since then. They gave me a rash."

Allbirds fit true to size for most customers. If you have wide feet or are between sizes, we suggest you size up for all styles.
Did you know that our shoes are actually unisex? You can easily cross over to find shoes in your size.
Here’s how it works:
If you wear a women’s size 11, try a men’s size 8 or 9.
If you wear a men’s size 7, try a women’s size 10 or 11.
| US | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|
| UK | 2 - 2.5 | 3 - 3.5 | 4-4.5 | 5 - 5.5 | 6 - 6.5 | 7 - 7.5 | 8 - 8.5 |
| EU | 35 | 36 | 37 | 38 | 39 | 40 | 41 |
| cm | 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| US | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
|---|---|---|---|---|---|---|---|
| UK | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| EU | 41 | 42 | 43 | 44 | 45 | 46 | 47 |
| cm | 26 | 27 | 28 | 29 | 30 | 31 | 32 |
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