Size Guide Tab - THE BLOCK RUNNER
| US - Men's | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| US - Women's | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | - | - |
| UK | 4.5 | 5.5 | 6.5 | 7.5 | 8.5 | 9.5 | 10.5 | 11.5 | 12.5 | 13.5 | 14.5 | 15 |
| EU | 37 1/3 | 38 2/3 | 40 | 41 1/3 | 42 2/3 | 44 | 45 1/3 | 46 2/3 | 48 | 49 1/3 | 50 2/3 | 51 1/3 |
| US - Men's | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| US - Women's | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | - | - |
| UK | 4.5 | 5.5 | 6.5 | 7.5 | 8.5 | 9.5 | 10.5 | 11.5 | 12.5 | 13.5 | 14.5 | 15 |
| EU | 37 1/3 | 38 2/3 | 40 | 41 1/3 | 42 2/3 | 44 | 45 1/3 | 46 2/3 | 48 | 49 1/3 | 50 2/3 | 51 1/3 |