Winning Viper 640 One Design Sails You Can Trust

Your Viper already thrives in light air or chop. Now make the most of the boat’s powerful sail plan with sails from North. With multiple cuts to choose from, you’ll find the ideal mainsail for the conditions. Combine those with your trusted North jib and spinnaker, and feel the performance of your Viper 640.

Viper 640 NEWS

North is a unique sailmaker, built on a champion spirit. We make history by looking ahead and that’s what sets us apart from other sailmakers. We’re proud to introduce Loft… Read More

Viper 640 Results

2022 Victory
Bacardi Invitational Cup
Peter Ill, Stephen Sparkman & Maxwell Plarr
1, 2, 4, 5
2022 Victory
Winter Series – Event #2
Mark Zagol
1, 3, 5*, 7, 8
2021 Victory
Winter Series – Event #1
Mark Zagol
1, 2, 4, 5*, 6, 7, 8, 9, 10
Are you a class champion? We would love to add your name to the #NSVictoryList.

Viper 640 CLASS EXPERTS

Viper 640 TUNING GUIDE

  • #GoBeyond