VIPER 640 J-5 JIB

All-Purpose | Aramid

Designed with the same shape and twist as the multiple World and Continental Champion J4 jib, the J5 takes durability and performance to another level with the introduction of Aramid fibers. You'll enjoy a longer lasting racing shape and superior performance throughout the wind range. The J5 has been impossible to beat since it's introduction. It comes with 3 different stiffness options for your top batten so you'll be well suited to use it in any condition!

CHAMPIONSHIPS

World | North American | National

1 | Gray | North Sails Viper 640 J-5 Jib
color: Gray
1 | Gray | North Sails Viper 640 J-5 Jib
€1.430,64€1.683,11
-15%

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€1.430,64€1.683,11
-15%
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Gray
1 | Gray | North Sails Viper 640 J-5 Jib
1 | Gray | North Sails Viper 640 J-5 Jib
North Sails
ONE DESIGN LAMINATE ARAMID
North Paneled Laminates are woven by North Sails, and are the market’s highest-performance 2D laminate race sailcloth. A proprietary polyester resin system resists heat, water, and UV at a level unmatched by any string sail. Sails cut from NPL are significantly stronger, lower stretch, and lighter than competitor brands.
Standard features
  • Full Battens
  • Leech Battens
  • Trim Stripes
  • Visibility Window

Dive into the North Sails Viper 640 Speed Guide—your essential companion for mastering speed, tactics, and winning strategies.

North Sails

The North Sails Viper 640 Tuning Guide is a resource for class sailors aiming to optimize their performance on the racecourse. Packed with expert advice and detailed instructions, this guide covers rig setup, sail trim, and tuning techniques, helping you unlock your Viper's full potential.

North Sails

MEET OUR

CLASS EXPERTS

JACKSON BENVENUTTI

UNITED STATES

CONTACT
North Sails
CHARLIE CUMBLEY

UNITED KINGDOM

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AUSTIN POWERS

UNITED STATES

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MIKE MARSHALL

UNITED STATES

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North Sails
JASON ANTILL

AUSTRALIA

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#NSVICTORYLIST

EARN THE WIN

North Sails wins more races than any other sailmaker because of their relentless commitment to innovation, technology, and performance. With a team of expert designers, engineers, and sailors, North Sails is constantly pushing the boundaries of what is possible in sailing.

ALL RACE RESULTS

North Sails

SHOP APPAREL

hover | Ocean blue | trucker-cap-27m718
hover | Phantom | trucker-cap-27m718
Trucker Cap €45,00

Adjustable fit

hover | Fiery red | gp-aero-waterproof-jacket-27m065
4 | Ocean blue | gp-aero-waterproof-jacket-27m065
hover | Phantom | gp-aero-waterproof-jacket-27m065

Pertex®, TW140S™

1 | Ocean blue | gp-waterproof-shorts-27m565
hover | Phantom | gp-waterproof-shorts-27m565

Pertex®, TW140S™

2 | Ocean blue | race-softshell%2B%E2%84%A2-hoody-27m300
2 | Phantom | race-softshell%2B%E2%84%A2-hoody-27m300

SoftShell+™, Stretch

With retainer clip

2 | Ocean blue | race-softshell%2B%E2%84%A2-jacket-27m035
2 | Navy blue | race-softshell%2B%E2%84%A2-jacket-27m035
2 | Titanium | race-softshell%2B%E2%84%A2-jacket-27m035
2 | Phantom | race-softshell%2B%E2%84%A2-jacket-27m035

SoftShell+™

2 | Ocean blue | race-softshell%2B%E2%84%A2-jacket-fw-27w035
2 | Navy blue | race-softshell%2B%E2%84%A2-jacket-fw-27w035
2 | Titanium | race-softshell%2B%E2%84%A2-jacket-fw-27w035
2 | Phantom | race-softshell%2B%E2%84%A2-jacket-fw-27w035

SoftShell+™, Stretch

2 | Ocean blue | race-softshell%2B%E2%84%A2-vest-fw-27w038
2 | Navy blue | race-softshell%2B%E2%84%A2-vest-fw-27w038
2 | Titanium | race-softshell%2B%E2%84%A2-vest-fw-27w038
2 | Phantom | race-softshell%2B%E2%84%A2-vest-fw-27w038

SoftShell+™, Stretch

2 | Ocean blue | race-softshell%2B%E2%84%A2-vest-27m038
2 | Navy blue | race-softshell%2B%E2%84%A2-vest-27m038
2 | Titanium | race-softshell%2B%E2%84%A2-vest-27m038
2 | Phantom | race-softshell%2B%E2%84%A2-vest-27m038

SoftShell+™