IN BOOM FURLING MAINSAIL

North Sails pioneered modern Boom Furling Mainsails. Working closely with boom manufacturers, North Sails has developed highly refined standards to match the specific demands of different boom furling systems. All aspects of the sail are considered, including luff curve and construction, sail size and shape, and the integration of sail connections and controls, for the most comprehensive features and detailing. North Boom Furling Mainsails deliver the performance, ease of use and durability to make the most of your investment in a furling boom.

1 | 3Di SY / Black | North Sails In Boom Furling Mainsail 3Di SY Black
material: 3Di SY
Learn more about this materials
color: Black
Selected | 
Black, 3di sy
1 | 3Di SY / Black | North Sails In Boom Furling Mainsail 3Di SY Black
1 | 3Di SY / Black | North Sails In Boom Furling Mainsail 3Di SY Black
Standard features
  • Each Sail Is Customized to your specific Furling Boom System
  • Moderate Roach Profile
  • 6 Full Length Battens
  • RBS E-Glass Compression Battens*
  • Closed Batten Pocket Leech End
  • High Strength Soft Construction Batten Pocket Luff End
  • UV Head Cover
  • Adjustable Leech Cord
  • Exclusive Teardrop Corner Reinforcements
  • Soft Tack and Clew Construction
  • Stainless Steel Head Ring
  • Nylon Twist (Leech) Telltales
  • Yarn Flow (Horizontal) Telltales
  • Drawstring Sail Bag
Optional features
  • High Roach Profile
  • Boom Furling Reef Points
  • UV Leech Cover
  • Spreader Tip Patches
North Sails
  • 3Di SY

    Engineered and customized exclusively for superyachts

  • 3D

    Personalized Sail Structure

  • 0% Film

    For longevity over multiple seasons

North Sails
  • 3Di ENDURANCE

    Durable performance x-over sails for competition and cruising

  • 3D

    Molded Sail Shape

  • 0% Film

    Eliminates the risk of delamination

North Sails
  • 3Di OCEAN

    Engineered for ultimate durability and extended cruising performance

  • 3D

    Smooth, Molded Sail Shape

  • 0% Film

    Eliminates the risk of delamination

North Sails
  • NPL TOUR

    High strength, UV resistance 2D cruising sails

  • eXactTM

    Proprietary x-scrim reinforcement adds strength with minimal weight

  • 97%

    Made with recycled polyester film

North Sails
  • ♻

    Alternative bio-based and recycled raw materials.

  • 45

    Developed for cruising boats up to 45ft

  • HM/SM

    Available in high modulus and standard modulus compositions

North Sails
  • NPC CROSS-CUT

    Easy Affordable Durability

  • #1

    North Sails is the leader for woven dacron sailcloth

  • AP

    For everyday use and all-purpose sailing

Material
3Di SY Superior Sail Technology for Superyachts
3Di ENDURANCE Engineered to Last. Designed for Fast.
3Di OCEAN More miles and ocean adventures
NPL TOUR Sails for performance-minded coastal cruisers
NPL RENEW Sustainable Materials for Cruising Sailors
NPC CROSS-CUT Easy Affordable Durability
3Di SY 3Di ENDURANCE 3Di OCEAN NPL TOUR NPL RENEW NPC CROSS-CUT
3Di SY is our top-tier customized to the unique needs of the world's largest sailing yachts. Sails made with SY are a unique solution for steady, stable, and reliable power for high-performance racing and cruising superyachts. For the world’s premier superyacht sails, choose 3Di SY.
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.
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.
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.
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.
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.