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

Viper 640 Results

2021 Victory
North American Championship
Mark Zagol
1, 2, 3, 6, 7*, 9
2021 Victory
NOOD Annapolis
Tyler Moore
1, 2, 3, 4, 5, 7, 8, 9, 10, 11
2020 Victory
AYC Fall Series #1
Bill Vickers
1, 2, 3, 4
Are you a class champion? We would love to add your name to the #NSVictoryList.

Viper 640 CLASS EXPERTS

Viper 640 Class Experts

Viper 640 headshot

John Bowden

Charleston, South Carolina john.bowden@northsails.com
Viper 640 headshot

Ched Proctor

Steelpointe Harbor, Connecticut ched.proctor@northsails.com
Viper 640 headshot

Charlie Cumbley

Gosport, United Kingdom Manufacturing – Gosport, UK Charlie.Cumbley@northsails.com

Viper 640 TUNING GUIDE