Foil Assist
The Future of Foiling Is Electric — More Time Flying, Less Time Pumping
Not an eFoil. Something Better.
Duotone Foil Assist combines motor-assisted power with the freedom of traditional foil setups. A lightweight motor integrated into the mast delivers powerful thrust on demand, while you keep the agility and feel of a real foil.
Spend more time riding waves, linking bumps, and trying new maneuvers. When the swell drops or the wind fades, hit the throttle and keep flying.
Exceptional Torque. Zero Drag.
The fully integrated motor pod delivers instant thrust through a two-blade folding propeller that collapses flat when you don't need it — minimizing drag during wave riding and glides.
Choose between plastic or aluminum propeller blades. An integrated gear system ensures instant unfold transition the moment you engage power. Clean leading edge with internally routed cables for hydrodynamic perfection.
Fly Longer. Fly Further. Fly Everywhere.
Built for Every Session
Every component engineered for performance, simplicity, and travel
Battery Harness
Two rechargeable batteries in a slim waist harness. Full charge in under one hour. Discharging function maintains optimal 40–60% storage level.
Watch Remote
Waterproof smartwatch-style ring controller. Double-click to activate, plus/minus for speed. Standard and Boost modes for total control.
Universal Fit
Standard US foil track compatibility. D/LAB works with Duotone and Armstrong. Aluminum masts fit 10+ brands via adapters.
Power at Your Fingertip
The battery sits on your body, not your board — keeping the setup lightweight and agile while optimizing signal transmission to the ring remote. Swap batteries in seconds and get back on the water.
Regional plug adapters included (EU, US, Australia, UK). Air-travel-friendly modularity means the whole system breaks down for easy transport to any destination.
Choose Your Mast
Three options engineered for different riding styles and conditions
D/LAB Carbon
The ultimate performance mast. Full carbon construction with motor in assist position for maximum wave access and minimum weight.
- Full carbon layup
- Motor 17cm below top plate
- Molded 3BS fuselage connection
- Duotone & Armstrong compatible
Carbon Assist
High motor position for easy wave approach and versatile riding. Carbon construction balances performance with accessibility.
- Carbon construction
- High motor position
- Wave-friendly design
- Standard US foil track
Aluminum Cruise
Built for flat-water cruising with the motor mounted low for maximum stability. Includes propeller guard for safe, relaxed sessions.
- Aluminum construction
- Motor 15cm above fuselage
- Propeller guard included
- 10+ brand compatibility
Midfish — Purpose-Built for Assist
Available in four sizes from 38 to 78 liters, the Midfish features a surf-oriented narrow outline with a wide fishtail for stability and drive. The mid-length shape enables offset foot placement for natural surf-style riding.
The 58L and 78L models include optional front footstraps for added security during powered runs. Optimized for the Foil Assist system from the ground up.
See It in Action
Watch the Duotone Foil Assist in the water