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Precision engineering, premium materials, and uncompromising attention to detail define Armstrong’s world-class performance and durability.
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Located in Cape Hatteras. No bots.The Midlength Mk II represents the next evolution in Armstrong board design. Built around an all-new molded construction process, it delivers a lighter, stronger, and more connected ride.
Refined through testing in demanding New Zealand conditions, it combines increased stiffness, reduced weight, and improved durability to create a board that performs consistently, session after session.
| Specification | ML 38 | ML 45 | ML 55 | ML 65 | ML 75 | ML 85 | ML 100 | ML 115 | ML 130 |
|---|---|---|---|---|---|---|---|---|---|
| Length | 4'8" | 5'0" | 5'4" | 5'8" | 6'0" | 6'4" | 6'8" | 6'11" | 7'2" |
| Width | 18 ½" | 18 ⅝" | 19 ¼" | 19 ⅝" | 20 ⅜" | 21 ⅜" | 22 ¼" | 22 ¾" | 23 ¼" |
| Thickness | 3 ¼" | 3 ½" | 4" | 4 ¼" | 4 ⅜" | 4 ½" | 4 ⅞" | 5 ¼" | 5 ⅝" |
| Volume | 38L | 45L | 55L | 65L | 75L | 85L | 100L | 115L | 130L |
| Weight | 3.65kg | 3.8kg | 4.0kg | 4.2kg | 4.5kg | 4.8kg | 5.2kg | 5.7kg | 5.9kg |
X-Form Technology
Precision Molded Construction
Lightweight, Durable Construction
Refined Shape for Easier Takeoffs
Rider Focused Deck
Improved Foil Drive Connectivity
The Midlength Mk II introduces a new approach to board construction, focused on long term performance and durability.
The molded process ensures every board is produced with consistent shape, flex, and strength, while significantly increasing stiffness and reducing weight. The result is a board that not only performs at a high level but maintains that performance over time.
A thinner profile combined with increased stiffness brings riders closer to the foil, creating a more immediate and responsive feel.
Energy transfer becomes faster and more efficient, improving control through turns, smoother transitions, and more stable recoveries. The board feels smaller and more agile without sacrificing volume or stability.
Reduced swing weight transforms how the board moves. It feels lighter in motion, easier to control through direction changes, and more responsive during pumping and manoeuvres.
This lighter, more agile feel allows riders to progress with confidence, while maintaining the stability expected from a midlength platform.
At the core of the Midlength Mk II is a construction built for real world use.
With multi density PVC rails, reinforced standing areas, dual carbon stringers, and integrated carbon foil tracks, every element is designed to handle repeated stress without fatigue or softening.
It is a board built to last, without compromising performance.
On the water, the Midlength Mk II feels composed and predictable. The increased stiffness delivers a clean, connected sensation underfoot, allowing riders to stay fully in tune with the foil.
Touchdowns release cleanly, takeoffs feel efficient, and control at speed is improved. The result is a smoother, more intuitive riding experience across a wide range of conditions.
Precision engineering, premium materials, and uncompromising attention to detail define Armstrong’s world-class performance and durability.
114 items ready to ship