2025 Nitro - Womens Optisym Size Chart
| Size | Running Length | Nose/Tail Width | Waist Width | Sidecut (m) | Setback | Weight (kg) |
| 138 | 94.0 | 27.2 | 23.0 | 9.0/5.3/9.0 | 0 | -45 |
| 142 | 96.0 | 27.6 | 23.4 | 9.0/5.6/9.0 | 0 | -65 |
| 146 | 99.0 | 28.0 | 23.8 | 9.0/5.6/9.0 | 0 | 45-65 |
All measurements in centimetres otherwise specified