Armstrong Downwind Mk III
Downwind progression starts here.
The Downwind Mk III board is all about progression whether you’re just figuring out downwinding or pushing the limits of surfing downwind in short period skatepark conditions. The displacement hull design works wonders to increase paddling speed and help you get on foil, and the refined outline keeps things fun once you’re flying.
Features
- Displacement hull: Efficient paddling to get on foil easily.
- Mini squash tail: Keeps dimensions compact with a clean release.
- Flat deck: More foot placement options and increased volume per size.
- Split foredeck: Sheds water with ease.
- Vent: Maintains integrity of the board on hot, sunny days.
- Raised deck wedges and arch bars: Dual central arch bars and rear corner blocks provide intuitive foot placement references.
- New deck grip: Grippy, comfortable, and lightweight.
- Forward Geometry Foil Track: Our proprietary Forward Geometry foil track increases responsiveness by placing the foil more centrally and reducing swing weight in turns.
- Carbon PVC Sandwich construction: Strong and super durable for endless shuttle laps.
- Dual Carbon Stringer System: Deck to bottom i-beam dual stringers provide maximum structural rigidity and durability.
- Carbon foil tracks: Proprietary carbon fiber foil tracks are keyed directly into the fibers of the stringers for a fully integrated construction.
Highlights
Glide
Bump catching made easy.
The speedy new displacement hull makes getting onto bumps easier than ever. It’s quick and efficient so you can get up to speed without needing perfect paddling technique or heaps of strength.
Responsiveness
Lay down carves.
The Mk III’s outline is shorter and slightly narrower than the prior Downwind board for improved maneuverability when on foil. Combined with the Forward Geometry foil tracks, that means you’ll be carving harder and pumping more efficiently.
Comfort
No sacrifices for performance gains.
Despite the reduced dimensions, the Mk III remains comfortably stable thanks to its rounded rails and flatter deck with increased standing room. The new rail shape makes the board’s roll stability more consistent and comfortable so you don’t find yourself suddenly thrown off balance.
More Grip, More Control
Progression starts here
The Downwind Mk III’s deck grip is tailored specifically to provide maximum control and comfort to enable your downwinding progression. Similar in feel to the deck grip on our Surf foilboard, this design features unique micro-cutouts through the main section of the grip that are grippy enough to feel securely locked in for critical maneuvers but still flat enough for easy foot repositioning throughout your ride. Dual central arch bars and rear corner blocks provide extra traction, and blue markings indicate the foil track location underneath.
Proven Construction
Lighter, stronger
A wraparound PVC layer gives the rails an extra layer of protection from paddle strikes and provides the nose and tail with greater durability for getting knocked around during shuttle runs. Proprietary carbon fiber foil tracks are keyed directly into the stringer fibers for a fully integrated construction.
Dual Carbon Stringer System
Maximum rigidity.
The ultra stiff double skin carbon PVC sandwich combined with Armstrong’s reputed i-beam top to bottom dual stringers provides maximum structural rigidity and durability. Proprietary carbon fiber foil tracks are keyed directly into the stringer fibers for a fully integrated construction.
Forward Geometry Foil Track
Easier paddle up and improved responsiveness.
Emphasizing modularity within board design, Armstrong introduced a major innovation to foilboards in 2021 with the Forward Geometry concept. Designed to work with any brand of foil, the FG design increases responsiveness by placing the foil more centrally and reducing swing weight in turns. The new Downwind Mk III board carries on that design legacy with FG foil tracks that are strategically placed well forward for maximum maneuverability and a hyper connected feel on foil, delivering high performance to riders on all board sizes.

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| Less than < $100 | $15 |
| More than > $100* | FREE* |
* Excludes hardboards, consignment goods, second-hand goods, demo stock, and oversized items. A flat rate for shipping applies as follows to bulky items and boards:
East Coast (NSW, QLD, VIC, ACT) |
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| Bulky Items | $50 |
| Boards | $150 |
Other (WA/NT/SA/TAS) |
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| Bulky items | $80 |
| Boards | $250 |
★★★★★MikeThe Stonker team with Ben leading my recent SUP purchase provided me with terrific advice for my specific needs. Can’t wait to get out there!!!! 🏄♂️🏄♂️🏄♂️
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★★★★★BobBen provided great advice, pricing and free shipping (to Perth). Items shipped next day. Great service, thanks Bob
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★★★★★YvetteThe team at Stonker is not only hardworking but also lovely. My experience with Jess and Ben was truly exceptional as they possess extensive knowledge about their products. Despite I was interstate, I communicated with them over the phone and received exemplary assistance. I am extremely satisfied with their services and highly recommend Stonker to others. I will certainly be a returning customer in the future.
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★★★★★AllanTalk to the crew at Stonker on Monday, by Friday lunch was out foiling on my new 6.1 Armstrong wing in Adelaide. Out standing!
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★★★★★PaulGreat service, advise and support. Thanks Ben for giving the local community an option for growing and supporting foiling. Most appreciated 👍.
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