Armstrong Downwind MkIII Board

The Armstrong Downwind Mk III is a purpose-built downwind foilboard designed to maximise glide efficiency, early lift and in-flight responsiveness. Refined through real-world open-water testing, the Mk III blends paddle speed with agile foil control, creating a board that accelerates effortlessly into bumps and feels precise once airborne.

Built for dedicated downwinders, light-wind foilers and progression riders, the Mk III delivers a clean, efficient hull design combined with Armstrong’s signature structural stiffness and durability.

Effortless Glide & Early Take-Off

At the heart of the Downwind Mk III is a high-efficiency displacement hull engineered to generate speed quickly with minimal drag. The fine entry and refined rocker line promote smooth water flow, helping the board track cleanly during paddle acceleration and release efficiently at take-off.

This translates to:

• Faster bump-catching

• Earlier lift in marginal conditions

• Reduced paddle fatigue

• Smoother touchdowns and re-acceleration

Whether you're linking open-ocean runners or working smaller wind swell, the Mk III builds speed with confidence.

Refined Outline for Control in Flight

Compared to traditional longer downwind shapes, the Mk III features a more compact, performance-oriented outline. This shorter platform reduces swing weight and increases manoeuvrability once flying, allowing tighter direction changes and better pump efficiency between bumps.

The forward foil track positioning optimises rider stance and balance, keeping your weight centred and reactive over the foil. The result is a board that feels intuitive underfoot — stable when paddling, dynamic when flying.

Stability Without Compromise

Downwind foiling demands balance in unpredictable conditions. The Mk III’s carefully shaped rails and deck profile provide:

• Predictable roll stability while paddling

• Controlled rail engagement during touchdowns

• Natural foot placement cues

• Comfortable stance for long-distance missions

The board feels composed when stationary and smooth when accelerating — ideal for riders building confidence in open water.

Premium Armstrong Construction

Armstrong’s carbon construction ensures the Mk III delivers exceptional stiffness-to-weight performance. The board features:

• Carbon PVC sandwich construction for strength and reduced flex

• Dual carbon stringer system for longitudinal rigidity

• Reinforced foil track integration for direct load transfer

• Lightweight yet durable lamination schedule

This construction keeps the board responsive at speed while maintaining durability through repeated take-offs and landings.

Designed for Real Downwind Conditions

The Downwind Mk III thrives in:

• Open-ocean downwind runs

• Coastal wind swell

• Light-wind paddle-ups

• Prone and SUP foil progression

• Linking bumps through pump efficiency

It’s a board that encourages progression — helping riders move from first flights to confidently connecting multiple runners.

Who It’s For

The Armstrong Downwind Mk III is ideal for:

• Intermediate riders stepping into dedicated downwinding

• Experienced foilers wanting increased glide efficiency

• Riders seeking earlier lift in lighter winds

• Anyone prioritising paddle speed and in-flight control