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

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