What Is the Main Difference Between D/LAB and SLS Duotone Windsurfing Boards? - Worthing Watersports

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.

Duotone windsurfingWindsurfing

Leave a comment

All comments are moderated before being published