2025 Never Summer - Proto Synthesis Size Chart
| Size | Effective Edge | Nose/Tail Width | Waist Width | Taper | Sidecut* | Setback | Weight (kg) |
| 152 | 117.6 | 30.0 | 25.2 | 0 | Vario 724 | 0 | 54-72 |
| 155 | 119.8 | 30.2 | 25.4 | 0 | Vario 743 | 0 | 54-72 |
| 158 | 122.6 | 30.3 | 25.5 | 0 | Vario 766 | 0 | 68-90 |
| 161 | 125.4 | 30.4 | 25.6 | 0 | Vario 782 | 0 | 68-90 |
| 157 Wide | 121.1 | 31.0 | 26.3 | 0 | Vario 764 | 0 | 68-90 |
| 160 Wide | 123.6 | 31.2 | 26.5 | 0 | Vario 786 | 0 | 68-90 |
| 163 Wide | 126.5 | 31.2 | 26.6 | 0 | Vario 807 | 0 | 68-100 |
| 159 Drag Free | 121.0 | 32.9 | 28.0 | 0 | Vario 764 | 0 | 68-100 |
All measurements in centimetres otherwise specified
Vario* Multiple Radius Average