Shop Inventory

Mainsails

Viper 640 M-8 Mainsail

2019 Worlds!

The M-8 mainsail was used to win the 2019 Viper 640 World Championship. It's made out of Xi-18 Polyester sailcloth which offers great durability and performance.

Full Product Details
Order Sail

Viper 640 M-9 Aramid Mainsail

New for 2021!

The M-9 mainsail for the Viper 640 class is a new version of the World winning M-8, now made out of Aramid sailcloth. It has proven to really flatten out nicely when pulling on the controls (because it stretches way less than the poly sails). Also, we found that it provided a really nice extra punch downwind, allowing to sail...

Full Product Details
Order Sail

Headsails

Viper 640 J-5 Aramid Jib

2019 Worlds!

The new J-5 jib for the Viper 640 features the same proven winning shape as the J-4 jib. The new J-5 is made out of North Sails exclusive reinforced Xi14 Aramid laminate produced using the world’s most advanced sailcloth laminator and North's unique eXact™ process. The result is a high performance cloth with ultimate durability. North NPL Laminates

Full Product Details
Order Sail

Spinnakers

Viper 640 V-2 Asymmetric Spinnaker

2019 & 2018 Worlds!

The North Viper 640 spinnaker reflects the knowledge we've gained by designing winning sails for a variety of sport boats. Our sail is sized to be class maximum and twists and rotates well, so you can sail lower angles while going the same speed or faster.

Full Product Details
Order Sail

Viper 640 Class Experts

Viper 640 headshot

Jackson Benvenutti

New Orleans, Louisiana
Email

Viper 640 headshot

Zeke Horowitz

Annapolis, Maryland
Email

Viper 640 headshot

Ched Proctor

Milford, Connecticut
Email

Viper 640 headshot

Mark Bradford

Sydney, Australia
Email

Viper 640 headshot

Charlie Cumbley

Gosport, United Kingdom
Email

Viper 640 headshot

John Bowden

Charleston, South Carolina
Email