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.
Standard Features
- Adjustable gaff batten and a longer luff boltrope
- All new velcro clew strap to maximize leech tension with ease
- Aramid sail cloth with radial construction for ultimate durability
- Trim stripes
- Luff tell tales
- Leech tell tales
- Sail bag

Class Experts

Jackson Benvenutti
New Orleans, Louisiana
jackson.benvenutti@northsails.com

Zeke Horowitz
Annapolis, Maryland
zeke.horowitz@northsails.com

Ched Proctor
Milford, Connecticut
ched.proctor@northsails.com

Mark Bradford
Sydney, Australia
Mark.Bradford@northsails.com

Charlie Cumbley
Gosport, United Kingdom
Charlie.Cumbley@northsails.com

John Bowden
Charleston, South Carolina
john.bowden@northsails.com