New build one-design mainsail for the Viper 640. Manufactured using Pentex laminate with a cross cut construction for reliable performance and long service life.
Specifications
- Boat Class: Viper 640
- Sail Type: Mainsail
- Sail Area: 17.0 m²
- Construction: Cross Cut
- Material: Pentex laminate
- Specification: Insignia, vision windows
Fitment
This sail is built to the class specification for the Viper 640. Please confirm your class rules before ordering.

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