OVERVIEW

RIDER TYPE: The expressive Freedom Seeker.

Designed to feel super agile, effortless and light-handed. The FLOW 4Wave HD lets you focus on your riding and jumping.
It handles anything from light onshore to big down-the-line but prefers to be ridden in its ideal wind range.

• Target Rider: This sail is tailored for smooth, vertical riding and linking stylish turns. Designed for sailors who prefer the lightest feel over being fully powered.
  
  
• On-Wave Behaviour: Light on the backhand allowing you to focus on expressing your style. Smooth on-demand power whenever you need it.
  
  
• Aerial control: High top-speed and a forward drive that can be switched off quickly to control air time. Its forgiving character makes big landings easier.
  
  
• Sizing Choice: Extended low-end, allowing riders to use a smaller sail for added agility and better wipeout resistance in big surf.
  
  
• Construction: Soft Dacron luff panel and "Power Panel" mid section. HD "blackline" X-ply window. Ultralight 2.5mil Scrim-Ply top, 4mil body and a 5mil stiff frame. AWR & ABP system.
  
  

FLOW 4Wave HD // MOVE LIKE WATER.

FEATURES

Building on the proven success of the 4Wave LTD, we worked closely with our World Cup Team to preserve its neutral character - while unlocking greater top-end control and a cleaner release through radical turns.

A soft Dacron luff panel delivers smooth and raw power to get you planing early. The forward, stable draft keeps the sail exceptionally light in your hands, giving it a precise on/off response that truly shines in wave riding conditions. Carefully optimised construction details and new materials make this sail even lighter than the LTD.

Combined with the outstanding durability that PATRIK is known for, the result is a sail built to perform session after session - no compromises.

BLACKLINE HD SUPERVISION WINDOW

Super strong and light 4mil "Blackline HD" X-Ply window for perfect visibility and highest impact resistance. The black yarn reduces light reflections and distractions, resulting in a clearer view that simply allows you to ride better and safer.

ADAPTIVE WIND RELEASE ( AWR )

Changes the loose leech release behavior while keeping the profile depth untouched - independent of downhaul tension:

• AWR IN: Locks draft for extra backhand power, maximum leverage, and added board traction in heavy chop, high winds, or big moves. 

• AWR OUT: Shifts power draft slightly forward for an agile, playful ride and radical surf feel without sacrificing early planing. 

• High and Low Clew Position to be combined with the IN and OUT settings. (In-depth explanation below.*)

AEROFIT BOOM POSITIONING ( ABP )

Reduces open area at the leading edge to boost aerodynamic efficiency and wind range. Limits sail movement at the boom area for improved gust stability and faster rotations. (Open a minimum of 2 sections to mount boom).

INTELLIGENT LOAD CONTROL ( ILC )

A unique concept for defining the sail profile using an interacting material mix to control load, flex and twist across the entire sail body. Rather than relying on singular load lines, the whole sail functions as one intelligent entity.

• Stiff 5mil X-Ply frame at the leech for clean air release, better twist control, and added structural strength.

• Light and medium stiff body for a neutral loading behavior and optimal strength-to-weight ratio.

• Intelligent adaptive front section with custom load behaviour to support the individual sail characteristics best: Soft Dacron for smooth On/Off behaviour on the FLOW. 5mil X-Ply for instand drive and agression on the FLASH. Double Dacron for balanced power and a blend of FLOW and FLASH on the FUEL.

The unmatched aerodynamics and fine-tuned material load distribution of our Intelligent Load Control concept deliver added agility, more top speed, improved release and mighty low-end, while extending the overall wind range.

POWER PANEL DESIGN

Pairs a wide center outline with a short boom and narrow head. The "power panel" above the boom catches cleanest airflow for controlled drive, while the narrow head ensures clean top release. As a result you get an extented windrange with mighty low-end acceleration, excellent clew-first stability and a very balanced and light handling.

FREEFLOW BATTENS

Customised batten curves and batten angles adjusted to each sail sail optimise the sail behaviour in both riding and jumping. Stiffer battens above the boom lock the power forward and flatten the trailing edge to reduce drag in gusty conditions. An optimised 40mm batten width with panel overlap makes the sail perfectly symmetric and saves weight. Our new, shorter batten tensioners reduce swing weight even more.

INTEGRITY SHIELD CONCEPT

A lightweight protection concept engineered to maximize durability while eliminating unnecessary bulk. By combining targeted Kevlar reinforcements and tailored padding, high-wear areas are fully shielded without compromising the sail's weight or responsiveness.

• Kevlar Batten Tape in high-wear areas of the battens to protect your sail while keeping it light.
• Streamlined padded tack fairing for optimal impact protection at the board deck.
• Kevlar top protection to guard the sail head against harsh abrasion and ground contact.

SMART RIGGING AIDS

Visial rigging guide width "Power" and "Control" markers to define the optimal downhaul trim. Pulley threading guide for quicker gear setup.

PRO TIPS

ALESSIO STILLRICH (Pro Windsurfer)

"For me, what makes the Flow so satisfying to use is its effortless handling and the controlled power it delivers. That feeling of a forward-driven sail—pulling instantly from the front with total stability—is exactly what I look for. It gets going quickly and easily, and every time I start planing, there’s a real sense of joy having the Flow in my hands."

JOHN SKYE (R&D)

"Used within its ideal wind range, the FLOW is quite possibly the lightest and most agile wave sail on the market. Most riders love it with the AWR open, as it shifts the power further forward for an ultra-light feeling in the hands. The sail is perfect for surf-style, vertical riding and offers exceptional control during aerial rotations and heavy landings. However, if you ride the FLOW severely overpowered, its softness and power might become overwhelming. Compensate with high downhaul tension then or just be smart and change to a smaller size early! Don't get me wrong: The overall wind range is huge - just avoid riding it oversized intentionally like you could on the FLASH and FUEL!"

Videos

Rigging Instructions - The Downhaul Pulley

Learn how to thread the rope through the downhaul pulley - twist-free and friction-free.

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