Korua Shapes - Otto Size Chart
| Size | Effective Edge | Nose/Tail Width | Waist Width | Ave. Sidecut (m) | Setback | Rec. Stance | Weight (kg) |
| 153 | 112.0 | 29.1 | 25.5 | 8.1 | 1.0 | 55.0 | 45.8 |
| 157 | 117.0 | 29.8 | 26.0 | 8.2 | 1.0 | 55.0 | 55-90 |
| 161 | 121.0 | 30.9 | 26.8 | 8.3 | 1.0 | 56.0 | 65-95+ |
All measurements in centimetres otherwise specified