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Description

Armstrong Midlength Mk II X-Form Foil Board

The Armstrong Midlength Mk II is designed to bridge the gap between compact performance boards and larger, high-volume shapes. Built around Armstrong’s new X-Form precision molded construction, the Midlength Mk II delivers an exceptional strength-to-weight ratio, increased durability, and a more consistent ride feel over time.

The refined midlength outline provides an ideal balance of efficiency, stability, and maneuverability. A thinner profile creates a more direct connection to the foil while optimized volume distribution allows the board to sit lower on the water, improving control, responsiveness, and rider feedback. The result is a board that feels composed, predictable, and confidence-inspiring across a wide range of conditions.

A redesigned bottom shape featuring a double concave transitioning into a subtle V improves hydrodynamic efficiency throughout every phase of flight. This design generates early lift for easier take-offs, smooths out touchdowns, and helps the board release cleanly from the water without sticking or tracking. Combined with shallower chines and a flatter rear section, the Midlength Mk II offers fast acceleration, reduced drag, and intuitive handling during both take-offs and landings.

The X-Form construction incorporates a precision-molded closed-cell core, internal reinforcement structure, and optimized laminate schedule to create a board that is lighter, stiffer, and more durable than traditional constructions. This allows the Midlength Mk II to maintain its performance characteristics over time while delivering the connected feel Armstrong boards are known for.

Features:

  • X-Form - Precision Molded Board Technology
  • Dual Carbon Stringer System
  • Carbon Foil Tracks
  • Forward Geometry Foil Track
  • Foil Drive Compatible Window
  • Surf Style Squash Tail
  • Displacement Hull
  • Raised Deck Wedges & Arch Bars
  • Foot Strap Inserts
  • New deck grip

Includes:

  • Armstrong Midlength Mk II Board
  • Deckpad
  • Board bag

Check the Size Chart for some more information. 

  • Armstrong

Armstrong Midlength Mk II X-Form Foil Board

Product form

€2,499.00

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    • 1-3 days shipping
    • Free shipping over €100 in NL and over €200 in DE, BE, LUX (boards excluded).
    Shipping

    Orders placed before 14:00 will be shipped on the same day for in-stock products.

    Netherlands Free shipping over €100. Normally delivered within 1-3 days.

    Belgium, Luxembourg, Germany Free shipping over €200. Normally delivered within 3-6 days.

    Rest of Europe Free shipping over €250. Normally delivered within 7-10 days.

    World Tracked Shipping to the Rest of the World.

    Excluded from free shipping: surf, wing and foil boards.

    Free shipping may not always be available in combination with certain promotions.

    For more information check our shipping page.

    Returns

    You have a 30-day return period. Anything that has been purchased online can be returned to our warehouse. You can also bring back your order to one of our stores for an exchange, gift card, or refund.

    To begin the return process, please check our return page.

    Description

    Armstrong Midlength Mk II X-Form Foil Board

    The Armstrong Midlength Mk II is designed to bridge the gap between compact performance boards and larger, high-volume shapes. Built around Armstrong’s new X-Form precision molded construction, the Midlength Mk II delivers an exceptional strength-to-weight ratio, increased durability, and a more consistent ride feel over time.

    The refined midlength outline provides an ideal balance of efficiency, stability, and maneuverability. A thinner profile creates a more direct connection to the foil while optimized volume distribution allows the board to sit lower on the water, improving control, responsiveness, and rider feedback. The result is a board that feels composed, predictable, and confidence-inspiring across a wide range of conditions.

    A redesigned bottom shape featuring a double concave transitioning into a subtle V improves hydrodynamic efficiency throughout every phase of flight. This design generates early lift for easier take-offs, smooths out touchdowns, and helps the board release cleanly from the water without sticking or tracking. Combined with shallower chines and a flatter rear section, the Midlength Mk II offers fast acceleration, reduced drag, and intuitive handling during both take-offs and landings.

    The X-Form construction incorporates a precision-molded closed-cell core, internal reinforcement structure, and optimized laminate schedule to create a board that is lighter, stiffer, and more durable than traditional constructions. This allows the Midlength Mk II to maintain its performance characteristics over time while delivering the connected feel Armstrong boards are known for.

    Features:

    • X-Form - Precision Molded Board Technology
    • Dual Carbon Stringer System
    • Carbon Foil Tracks
    • Forward Geometry Foil Track
    • Foil Drive Compatible Window
    • Surf Style Squash Tail
    • Displacement Hull
    • Raised Deck Wedges & Arch Bars
    • Foot Strap Inserts
    • New deck grip

    Includes:

    • Armstrong Midlength Mk II Board
    • Deckpad
    • Board bag

    Check the Size Chart for some more information. 

    Size chart

    Armstrong Midlength Mk II X-Form Foil Board

    Volume 38L 45L 55L 65L 75L 85L 100L 115L 130L
    Length 4'8" 5'0" 5'4" 5'8" 6'0" 6'4" 6'8" 6'11" 7'2"
    Width 18 1/8" 18 5/8" 19 1/8" 19 5/8" 20 3/8" 21 3/8" 22 1/4" 22 3/4" 23 1/4"
    Thickness 3 1/4" 3 1/2" 4" 4 1/4" 4 3/8" 4 1/2" 4 7/8" 5 1/4" 5 5/8"
    Weight 3.65 kg 3.8 kg 4.0 kg 4.2 kg 4.5 kg 4.8 kg 5.2 kg 5.7 kg 5.9 kg

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