On Running Footwear Size Chart
On Running Women's Size Chart
| US | EU | UK |
| 5 | 36 | 3 |
| 5.5 | 36.5 | 3.5 |
| 6 | 37 | 4 |
| 6.5 | 37.5 | 4.5 |
| 7 | 38 | 5 |
| 7.5 | 38.5 | 5.5 |
| 8 | 39 | 6 |
| 8.5 | 40 | 6.5 |
| 9 | 40.5 | 7 |
| 9.5 | 41 | 7.5 |
| 10 | 42 | 8 |
| 10.5 | 42.5 | 8.5 |
| 11 | 43 | 9 |
On Running Men's Size Chart
US
EU
UK
7
40
6.5
7.5
40.5
7
8
41
7.5
8.5
42
8
9
42.5
8.5
9.5
43
9
10
44
9.5
10.5
44.5
10
11
45
10.5
11.5
46
11
12
47
11.5
12.5
47.5
12
13
48
12.5
14
49
13