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Duotone Duke SLS 2025
Duotone Duke SLS 2025
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Duke
4.2/4.5/4.7/5.0/5.4/5.8/6.2
The comeback of the DUKE as a 5-batten Jump N’ Ride sail 2 years ago was a major success. It instantly became the most used and popular sail in the ION CLUB and DUOTONE PRO CENTERS worldwide.
Now with the DUKE SLS we take this concept to the extreme! But instead of just swapping the materials, we have developed this sail from scratch to utilize the full potential of the materials and to give this sail an additional character. Because depending on the board, the DUKE SLS behaves like a chameleon:
- On lower drag single-fin boards (e.g. Freewave or small Freeride boards) the DUKE SLS has a slight forward pull (similar to the Original DUKE).
- On higher drag multi-fin wave boards, however, the pull is evenly distributed over both hands. On such boards, the new DUKE SLS has a very similar feel to the SUPER_HERO D/LAB making it really suitable even for proper wave sailing conditions.
But how was this made possible?
Well, it is a combination of an extremely sophisticated sail concept (3d-shaping, twist pattern and profile distribution) and the use of CARBON XPLY batten pockets. The DUKE SLS features a slightly forward draft position, but with a defined flexibility. We call this DEFINED DRAFT MOTION CONCEPT. Normally, this is a no-go for sails with “soft” epoxy battens, as any draft movement reduces the wind range. But this is where the CARBON XPLY batten pockets come into play: as Carbon has virtually no stretch, it locks the battens thus draft in its defined position - actually pretty similar to a Carbon batten.
Believe it or not, in this way we virtually merged the advantages of the Original DUKE with those of the SUPER HERO D/LAB creating the ultimate 5-batten Wave><Freewave sail.
Ok, so the DUKE SLS feels similar to the SUPER_HERO D/LAB - but what about the low end power? 5-batten wave sails offer great control, but usually suffer in the low-end as more battens make it harder for the wind to inflate the sail. That’s why we have incorporated the BATTEN FREE CENTER concept that we already use on the SUPER_HERO and the Original DUKE. Instead of the usual even batten distribution, the DUKE SLS features a bigger gap between the foot batten and the batten above the boom. This makes the boom area easier to inflate, resulting in a similar low-end power to a 4-batten sail.
But it’s getting even better: due to the additional use of CARBON XPLY in the high load top and tack areas plus a STRIPPED TO THE MAX panel layout we were able to bring down the weight by a whopping 400-500g compared to the Original DUKE.
So what keeps you waiting - DUKE SLS the first sail morphing the advantages of a Freewave sail with a truly capable down the line wave sail.
SIZE | 4.2 | 4.5 | 4.7 | 5.0 | 5.4 | 5.8 | 6.2 |
BOOM MAX(CM) | 154 | 158 | 162 | 166 | 170 | 178 | 182 |
LUFF MAX (CM) | 374 | 388 | 404 | 418 | 432 | 440 | 452 |
BATTENS | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
WEIGHT(KG) | 2.50 | 2.60 | 2.70 | 2.80 | 2.90 | 3.05 | 3.20 |
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from 89 reviewsAll came really quickly and efficiently 👍🏻

Very good service very helpful and good product.. thank you for all the team
Prompt. delivery, worked as expected, one Blade sail repaired🙂

I ordered easily and the voucher arrived promptly. Also an email from the business was really nice.

Great equipment, decent price and very prompt delivery.

I have used this board on flat water in calm and very windy conditions. I really like this board it handles really well, is a pleasure to paddle and seems quite quick. one of the reasons for choosing this board was it is designed for lighter weight paddlers, it really does fit the bill in that respect. All in all a brilliant board. In addition the service I received from Poole Harbour Watersports was excellent.

Really prompt service, great choice of products, excellent.

Unfortunately I ordered the wrong size and had to return for an exchange, couldn’t speak highly enough of the service I received being kept updated along the way and the new coat being dispatched as soon as it was back in stock. Thank you
