2018 Naish Force IV

2018 Naish Force IV

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SKU: 2018 Naish Force IV

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2018 Naish Force IV - Performance Wave Windsurf Sail

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2018 Naish Force IV - Performance Wave Windsurf Sail


The Force FOUR strikes a perfect balance between power and responsiveness and is light weight. Smooth and forgiving, this wave sail delivers excellent low-end power combined with outstanding top-end control, while providing an “in-between-the-hands” power distribution. Our most versatile wave sail, the Force FOUR is equally at home in sideshore, onshore and offshore conditions and is also an excellent choice for freestyle.


  •  4 Battens = Good stability + very responsive
  • Center Shape =Power + early planing
  • Medium Aspect Ratio =Great handling + wide range
  • Twin X-166 Luff Panels =Solid, locked-in power



  • Equilibrium  Batten Pockets = Improved rotation + light + durable

  • Spectraview III Hybrid Window = Light + tough + clear film visibility panel

  • Radial Panel Layout = Maintains sail shape + progressive twist

  • Carbon Airframe = Ultimate strength + unparalleled shape control

  • Maximum X-ply Laminate = Ultra-lightweight + durable



Standard Clew Construction: The radial clew is the strongest and lightest design in the industry. A custom titanium ring is connected directly to radial Kevlar load strips via high-tenacity nylon webbing. The Warp Kevlar taffeta leech and foot tapes carry the perimeter loads.


Tack Fairing: Durable molded EVA tack fairing that folds back for easy rigging and protects the sailor’s feet, mast and board. It features a grommet for the uphaul line and a mesh pocket with a Velcro closure for storing the downhaul line. 


Equilibrium™ Batten Pockets: Evenly distributes the batten tension load to both sides of the sail for greater symmetry, reduced weight and improved rotation. Where normal batten pockets are sewn to one side of the sail, EBP are formed by overlapping the sail body panels. Reducing weight further, integrated warp-oriented tapes absorb much of the batten load—eliminating the need for additional reinforcement. 


Roller Tack Pulley: A downhaul pulley that integrates a lightweight die-cast stainless steel housing and low-friction Nylatron GSM pulleys. It provides both standard 6:1 and 4:1 rigging options. This system makes downhauling very easy and reduces wear and tear on the downhaul line. 


Loop-and-Go: The unique geometry of our pulley offers both traditional 6:1 AND 4:1 “loop-and-go” rigging. 

Downhaul Pocket: Secure mesh pocket with Velcro for storing the downhaul line. 


Force-IV Size Chart


Additional Information

Brand Naish
Ability Level No
Accessories No
Construction No
Design No
Flex No
Grip No
Hull No

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