Altra Shoes Size Guide
Men's Shoes Size Guide
| UK | USA | EUROPE | CM |
| 7 | 8 | 41 | 26 |
|
7.5
|
8.5 | 42 | 26.5 |
|
8
|
9 | 42.5 | 27 |
|
9.5
|
9.5 | 43 | 27.5 |
| 9.6 | 10 | 44 | 28 |
| 10 | 10.5 | 44.5 | 28.5 |
| 10.5 |
11
|
45 | 29 |
| 11 |
11.5
|
46 | 29.5 |
| 11.5 |
12
|
46.5 | 30 |
| 12 |
12.5
|
47 | 30.5 |
| 13 |
13
|
48 | 31 |
| 14 |
14
|
49 | 32 |
| 15 |
15
|
50 | 33 |
| 16 |
16
|
50.5 | 34 |
Women's Shoes Size Guide
| UK | USA | EUROPE | CM |
| 3.5 | 5.5 | 36 | 22 |
| 4 | 6 | 37 | 22.5 |
| 4.5 | 6.5 | 37.5 | 23 |
| 5 | 7 | 38 | 23.5 |
| 5.5 | 7.5 | 38.5 | 24 |
| 6 | 8 | 39 | 24.5 |
| 6.5 | 8.5 | 40 | 25 |
| 7 | 9 | 40.5 | 25.5 |
| 7.5 | 9.5 | 41 | 26 |
| 8 | 10 | 42 | 26.5 |
| 8.5 | 10.5 | 42.5 | 27 |
| 9 | 11 | 43 | 27.5 |
| 9.5 | 11.5 | 44 | 28 |
| 10 | 12 | 44.5 | 28.5 |
| 10.5 | 13 | 46 | 29.5 |
