Guide size chart
| US | UK | EU | CM | US (W) |
|---|---|---|---|---|
| US3 | 2.5 | 36 | 22 | 4.5 |
| US3.5 | 3 | 35.5 | 22.5 | US5 |
| US4 | 3.5 | 36 | 23 | US5.5 |
| US4.5 | 4 | 36.5 | 23.5 | US6 |
| US5 | 4.5 | 37.5 | 23.5 | US6.5 |
| US5.5 | 5 | 38 | 24 | US7 |
| US6 | 5.5 | 38.5 | 24 | US7.5 |
| US6.5 | 6 | 39 | 24.5 | US8 |
| US7 | 6 | 40 | 25 | US8.5 |
| US7.5 | 6.5 | 40.5 | 25.5 | US9 |
| US8 | 7 | 41 | 26 | US9.5 |
| US8.5 | 7.5 | 42 | 26.5 | US10 |
| US9 | 8 | 42.5 | 27 | US10.5 |
| US9.5 | 8.5 | 43 | 27.5 | US11 |
| US10 | 9 | 44 | 28 | US11.5 |
| US10.5 | 9.5 | 44.5 | 28.5 | US12 |
| US11 | 10 | 45 | 29 | US12.5 |
| US11.5 | 10.5 | 45.5 | 29.5 | US13 |
| US12 | 11 | 46 | 30 | US13.5 |
| US12.5 | 11.5 | 47 | 30.5 | US14 |
| US13 | 12 | 47.5 | 31 | US14.5 |
| US13.5 | 12.5 | 48 | 31.5 | US15 |
| US14 | 13 | 48.5 | 32 | US15.5 |
| US15 | 14 | 49.5 | 33 | US16 |
| US16 | 15 | 50.5 | 34 | US16.5 |
| US17 | 16 | 51.5 | 35 | US17 |
| US18 | 17 | 52.52 | 36 | US17.5 |