Altra Shoes Size Chart
Looking at a new pair of Altra Shoes but not sure what size to get? We've been there. Thanks to their signature FootShape Fit, Altra Shoes can be tough to size without trying them on. The FootShape Fit is simple, it's made to address a range of unique fits, differing in width from heel to toe box. So FootShape gives your feet more space to sit naturally for a more comfortable run. To find the best size, refer to the guide below or get in touch with us via chat, email, or over the phone at 1(800)870-0011. And remember, if your new Altra Shoes don't fit perfectly, you can exchange them for free!
| EUR | 36 | 37 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 |
| US | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 |
| UK | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 |
| JPN(CM) | 22 | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 |
| EUR | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 46 | 46.5 | 47 | 48 | 49 |
| US | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 14 |
| UK | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 |
| JPN(CM) | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 | 30 | 30.5 |
Comparison Chart
| Brand | Altra Size |
| Adidas | Go half a size smaller |
| ASICS | Go the same |
| Brooks | Go the same |
| HOKA ONE | Go the same |
| Nike | Go half a size smaller |
| Nike Flyknit | Go half a size smaller |
| On | Go half a size smaller |
| Saucony | Go the same |
