Before choosing your next pair, check the Altra size guides below to find the right fit.
Browse our full range of Altra running and trail shoes.
Womens Size Chart
| US |
UK |
EU |
CM |
| 5.5 |
3.5 |
36 |
22 cm |
| 6 |
4 |
37 |
22.5 cm |
| 6.5 |
4.5 |
37.5 |
23 cm |
| 7 |
5 |
38 |
23.5 cm |
| 7.5 |
5.5 |
38.5 |
24 cm |
| 8 |
6 |
39 |
24.5 cm |
| 8.5 |
6.5 |
40 |
25 cm |
| 9 |
7 |
40.5 |
25.5 cm |
| 9.5 |
7.5 |
41 |
26 cm |
| 10 |
8 |
42 |
26.5 cm |
| 10.5 |
8.5 |
42.5 |
27 cm |
| 11 |
9 |
43 |
27.5 cm |
| 11.5 |
9.5 |
44 |
28 cm |
| 12 |
10 |
44.5 |
28.5 cm |
| 13 |
11 |
46 |
29.5 cm |
Mens Size Chart
| US |
UK |
EU |
CM |
| 8 |
7 |
41 |
26 cm |
| 8.5 |
7.5 |
42 |
26.5 cm |
| 9 |
8 |
42.5 |
27 cm |
| 9.5 |
8.5 |
43 |
27.5 cm |
| 10 |
9 |
44 |
28 cm |
| 10.5 |
9.5 |
44.5 |
28.5 cm |
| 11 |
10 |
45 |
29 cm |
| 11.5 |
10.5 |
46 |
29.5 cm |
| 12 |
11 |
46.5 |
30 cm |
| 12.5 |
11.5 |
47 |
30.5 cm |
| 13 |
12 |
48 |
31 cm |
| 14 |
13 |
49 |
32 cm |
| 15 |
14 |
50 |
33 cm |
| 16 |
15 |
51.5 |
34 cm |
