If you’re researching Duotone windsurfing boards, one of the most common questions we get at Worthing Watersports is:
“What’s the difference between D/LAB and SLS construction?”
Both constructions sit at the premium end of the Duotone range, but they’re designed for slightly different riders and priorities. Below, we break down how D/LAB vs SLS compares — from construction and weight to how they feel on the water.
1) What’s the difference in construction between D/LAB and SLS?
The biggest difference is the materials and layup. In simple terms: D/LAB is the most advanced, lightest and stiffest build Duotone makes, while SLS (Strong Light Superior) is designed to keep things high-performance but a bit more durable and everyday-friendly.
- D/LAB: Ultra-premium materials focused on maximum weight reduction and stiffness for instant response. This is the “no compromises” option.
- SLS: Premium construction tuned for performance while offering more impact resistance and comfort for regular use.
2) Is D/LAB lighter than SLS?
Yes — D/LAB boards are typically lighter than SLS equivalents. That reduction in swing weight helps with a more “alive” feel, quicker reactions, and faster acceleration.
SLS boards are still very light for their category, but the feel is often a touch more forgiving, especially in real-world conditions like choppy water or gusty UK wind.
3) How does D/LAB vs SLS feel on the water?
This is where the choice becomes personal. Many riders describe D/LAB as more direct and reactive — closer to a light custom feel — while SLS balances performance with control and comfort.
- D/LAB feel: More instant response, snappier acceleration, and a very connected ride — ideal when you’re pushing hard.
- SLS feel: Smooth, controlled and confidence-inspiring, especially when the water state gets messy.
4) Who should choose D/LAB?
Choose D/LAB if you want the absolute peak of Duotone performance — especially if you’re a very experienced rider, chasing maximum speed/response, or you simply want the lightest, most technical construction available.
5) Who should choose SLS?
Choose SLS if you want premium performance that’s easier to live with day-to-day — a great option for ambitious intermediates through to advanced riders who want a fast, responsive board that also feels composed when conditions aren’t perfect.
Quick comparison: D/LAB vs SLS
| Feature | D/LAB | SLS |
|---|---|---|
| Focus | Maximum performance | High performance + everyday usability |
| Weight | Ultralight | Very light |
| Ride feel | Ultra-direct and reactive | Controlled and smoother in chop |
| Durability | High (premium build) | Strong / everyday-friendly |
| Best for | Experts, racers, “no compromise” buyers | Ambitious intermediates to advanced riders |
| Price point | Premium | High-end |
So, which should you buy?
If you want the most responsive, highest-spec Duotone construction available, go D/LAB. If you want premium performance that stays comfortable and confidence-inspiring in real-world conditions, go SLS.
If you’d like a recommendation based on your weight, sailing spot and what you want the board to do, drop us a message — we’ll point you at the right shape and size.

