Square Top Mainsails, our most advanced model, dominate Grand Prix racing worldwide. The square top profile provides highly efficient progressive twist, reduced mast tip vortex and optimized sail area distribution. North designers precisely balance sail camber with head width while accounting for specific mast bend characteristics and target sailing conditions. All sail elements work together, including membrane modulus, batten stiffness, and batten configuration – resulting in finely controlled airfoil performance.
High Performance Profile
High Performance Profile
SQUARE TOP CRUISING MAINSAIL
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White, Npc cross-cut
Standard features
Rule Optimized Roach Profile
Optimized Gaff Batten Angle
1 or more Full Length Battens
RBS E-Glass Tapered Battens*
Exclusive Tie in Batten Adjusters
Hard Braid Luff Rope
Cunningham
Adjustable Leech and Foot Cords
Loose Foot with Integral Foot Shelf
Exclusive Teardrop Corner Reinforcements
Stainless Steel Rings
Racing Trim Stripes
Nylon Twist (Leech) Tell Tales
Yarn Flow (Horizontal) Telltales
Class Insignia
Sail Numbers and Country Code
Certified Measurement
Drawstring Sail Bag
Optional features
Reef Points
Carbon Battens
Simple Luff Slides
Custom Luff & Batten Car Systems
Overhead Leech Cord
Spreader Tip Patches
Custom Graphics
Product Materials
NPCCROSS-CUT
Easy Affordable Durability
NPC CROSS-CUT is a quality-leading dacron sailcloth for simple, easy sailing. Sails constructed with CROSS-CUT offer excellent shape holding through a wide range of conditions. Designed and constructed to the North Sail quality standards, CROSS-CUT strikes a balance of high quality and affordability. If you’re shopping for longevity and reasonable pricing, NPC CROSS-CUT is worth exploring.
NPLTOUR
Sails for performance-minded coastal cruisers
NPL TOUR is the ultimate sailcloth for paneled cruising sails. Sails cut from NPL TOUR are highly resistant to chafe, fatigue, and UV. These cruising sails feature eXact reinforcement for superior shape holding. If you’re exploring options for paneled cruising sails, ask us about NPL TOUR.
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NPLRENEW
Sustainable Materials for Cruising Sailors
RENEW, a North Panel Laminate, features alternative bio-based and recycled raw materials. Developed for cruising boats up to 45 ft, RENEW is the start of an important shift in sailmaking towards more sustainable materials that maintain the performance and longevity expected from North Sails.
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3DiOCEAN
More miles and ocean adventures
3Di OCEAN is the first cruising sailing cloth innovation since Dacron, and this sail technology is reshaping cruising performance. OCEAN exploits 3Di technology to deliver cruising features and benefits that transcend performance racing. If you’re buying sails for cruising and expect longevity and ease of use, OCEAN is for you.
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3DiENDURANCE
Engineered to Last. Designed for Fast.
3Di ENDURANCE is the most rugged high-performance sail technology. These sails are around the world tested for longevity and reliability. Many 3Di Endurance sails have logged the equivalent of more than two circumnavigations and are still in service. If you’re buying sails for adventure racing or bluewater cruising, choose Endurance.
