2025 Nitro - Optisym Size Chart
| Size | Running Length | Nose/Tail Width | Waist Width | Sidecut (m) | Setback | Weight (kg) |
| 146 | 99.0 | 28.7 | 24.5 | 9.0/5.6/9.0, 8.5/5.1/8.5 | 0 | 50-70 |
| 149 | 103,0 | 28.9 | 24.8 | 9.0/5.6/9.0, 8.5/5.1/8.5 | 0 | 50-70 |
| 153 | 106.0 | 29.6 | 25.2 | 9.0/5.6/9.0, 8.5/5.1/8.5 | 0 | 55-75 |
| 156 | 109.0 | 29.9 | 25.5 | 9.0/5.6/9.0, 8.5/5.1/8.5 | 0 | 60-80 |
| 159 | 112.0 | 30.2 | 25.8 | 9.0/5.6/9.0, 8.5/5.1/8.5 | 0 | 65+ |
All measurements in centimetres otherwise specified