Duotone Downwinder Slim SLS – High-Performance Narrow Downwind Foil Board
Duotone Downwinder Slim SLS is the most performance-driven addition to Duotone’s Downwind range. Designed for riders seeking maximum efficiency and speed in open ocean conditions, its long and narrow outline delivers exceptional glide in fast swells and allows the use of smaller, faster foils.
Downwind Performance
- Long and narrow outline – Increased glide efficiency and instant acceleration.
- Low rocker and pin tail – Clean release and sustained speed.
- Single concave bottom – Smooth recovery after touchdowns.
- Sharp rear rails – Stability and control at high speeds.
Control & Tuning
- Recessed deck – Direct foil connection and precise turning control.
- Extended carbon foil boxes – Increased tuning range and weight reduction.
SLS Construction
- Carbon SLS sandwich build – Extreme lightweight and structural rigidity.
- Acceleration-focused design – Optimized for large, fast-moving swells.
Available Sizes
- 7’6’’ x 18’’ – 90L
- 8’0’’ x 18.5’’ – 100L
- 8’6’’ x 19’’ – 110L
The Downwinder Slim SLS is built for advanced riders who demand pure downwind performance and maximum efficiency in open ocean conditions.











