Birkenstock to Arc'teryx shoe size
The short answer
Birkenstock 41 is Arc'teryx 10 or 10.5 by the two brands' own charts.
At least one of the two brands publishes no foot length, so the rows line up the US size both charts print. Treat it as the label conversion, not a fit.
| Birkenstock | Birkenstock builds it for | Arc'teryx, by chart | Same label | Arc'teryx builds it for | Arc'teryx also prints |
|---|---|---|---|---|---|
| 35 | not published | not made | not published | not published | not published |
| 36 | not published | 5 or 5.5 | not published | not published | US men's 4 · UK 3.5 · EU 36 · CM / JP 22 |
| 37 | not published | 6 or 6.5 | not published | not published | US men's 5 · UK 4.5 · EU 37 1/3 · CM / JP 23 |
| 38 | not published | 7 or 7.5 | not published | not published | US men's 6 · UK 5.5 · EU 38 2/3 · CM / JP 24 |
| 39 | not published | 8 or 8.5 | not published | not published | US men's 7 · UK 6.5 · EU 40 · CM / JP 25 |
| 40 | not published | 9 or 9.5 | not published | not published | US men's 8 · UK 7.5 · EU 41 1/3 · CM / JP 26 |
| 41 | not published | 10 or 10.5 | not published | not published | US men's 9 · UK 8.5 · EU 42 2/3 · CM / JP 27 |
| 42 | not published | 11 or 11.5 | not published | not published | US men's 10 · UK 9.5 · EU 44 · CM / JP 28 |
| 43 | not published | 12 or 12.5 | not published | not published | US men's 11 · UK 10.5 · EU 45 1/3 · CM / JP 29 |
| 44 | not published | 13 or 13.5 | not published | not published | US men's 12 · UK 11.5 · EU 46 2/3 · CM / JP 30 |
| 48 | not published | 15 | not published | not published | US men's 14 · UK 13.5 · EU 49 1/3 · CM / JP 32 |
What wearers say
Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.
Sources
- Birkenstock size guide, read on 2026-09-18.
- Arc'teryx size guide, read on 2026-09-18.