Experience ultimate comfort and versatility with the HOKA Hopara Sandal ‘Black Castlerock,’ designed for both rugged outdoor adventures and everyday style.
English English 
German
French (France)
Italian
Dutch
Dutch (Belgium)
Spanish
Portuguese
French (Belgium)
| U.S. Size | U.K. Size | EU Size | Foot Length (Inches) | Foot Length (cm) |
|---|---|---|---|---|
| 6 | 5.5 | 39 | 9.25 | 23.5 |
| 6.5 | 6 | 39.5 | 9.5 | 24.1 |
| 7 | 6.5 | 40 | 9.625 | 24.4 |
| 7.5 | 7 | 40.5 | 9.75 | 24.8 |
| 8 | 7.5 | 41 | 9.9375 | 25.4 |
| 8.5 | 8 | 42 | 10.125 | 25.7 |
| 9 | 8.5 | 42.5 | 10.25 | 26.0 |
| 9.5 | 9 | 43 | 10.4375 | 26.7 |
| 10 | 9.5 | 44 | 10.5625 | 27.0 |
| 10.5 | 10 | 44.5 | 10.75 | 27.3 |
| 11 | 10.5 | 45 | 10.9375 | 27.9 |
| 11.5 | 11 | 45.5 | 11.125 | 28.3 |
| 12 | 11.5 | 46 | 11.25 | 28.6 |
| 13 | 12.5 | 47 | 11.5625 | 29.4 |
