Introducing the Duotone Downwinder Slim D/LAB — a next-generation downwind foil board engineered to set a new benchmark for SUP downwind foiling, with explosive acceleration, ultra-efficient glide, and the easiest take-offs in the Duotone range.
Duotone Downwinder Slim D/LAB: lighter, faster, earlier
The Downwinder Slim D/LAB is the latest addition to Duotone’s premium D/LAB foil board line-up, built using the brand’s revolutionary Hollow Shell Composite Construction. This cutting-edge hollow-core technology delivers exceptional stiffness with unmatched weight savings, creating a board that feels incredibly lively underfoot and instantly responsive when pumping.
Thanks to the Hollow Shell construction, the Downwinder Slim D/LAB is nearly 30% lighter than comparable SLS models — around 1.6 kg less — which translates directly into faster acceleration, quicker paddle speed, and a noticeably earlier release onto foil. The result is a downwind setup that makes linking bumps easier, increases your time flying, and completely elevates the overall ride experience.
Low swing weight that rides like a smaller board
One of the standout benefits is the board’s ultra-low swing weight. It pumps and turns with the nimble feel of a shorter shape, while still giving you the volume, buoyancy, and glide you want for downwind starts and long runs. That balance makes the Downwinder Slim D/LAB a serious performance tool for riders chasing more efficient take-offs and smoother control at speed.
Shape tuned for speed, stability and clean recovery
Every detail of the outline and rocker is designed to maximise downwind efficiency:
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Sleek, narrow outline for rapid acceleration and smooth rail-to-rail transitions
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Tail rocker for effortless lift-off, plus extra clearance when pumping
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Clean mono-concave bottom to keep speed uninterrupted and make touch-down recovery simple and predictable
Versatile foil compatibility and smart board protection
The Downwinder Slim D/LAB features long Carbon foil tracks for maximum trim range, making it easy to fine-tune your stance and balance across a wide variety of foil brands and sizes. A large air vent and drain plug help manage pressure when the board isn’t in use, helping keep it in top condition between sessions.
Sizes
Choose the volume that matches your downwind style and conditions:
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7’8” x 17.75” – 95L
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8’4” x 18.5” – 110L
Key features at a glance
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Hollow Shell Composite Construction: major weight reduction + high stiffness
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Low Swing Weight: pumps and responds like a smaller board
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Early Take-Off & Release: easier lift-off, more time foiling
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Downwind Speed Shape: narrow outline, tail rocker, mono-concave bottom
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Long Carbon Foil Tracks: wide trimming range and foil compatibility
