New Balance Size chart
| EU | 36 | 37 | 37.5 | 38 | 38.5 | 39.5 | 40 | 40.5 |
| CM | 22 | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 | 25.5 |
| US - But | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 |
| US - Women | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 |
| EU | 41.5 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 |
| CM | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 |
| US - But | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 |
| US - Women | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 |
| EU | 46.5 | 47 | 47.5 | 47.5 |
| CM | 30 | 30.5 | 31 | 32 |
| US - But | 12 | 12.5 | 13 | 14 |
| US - Women | 13.5 | 14 | 15 | - |
The size guide is taken directly from New Balance's own website and is approximate as different models may vary.