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Ultra FreeWave SLS Windsurf Board
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THE LEGEND THAT INVENTED AN ENTIRE BOARD CATEGORY!
Take your riding to the next level! Built in full custom sls technology. With the ultra freewave our major aim was to get away from the typical does it all compromise board.
FULL DESCRIPTION
That's why we didn't go the usual route of creating an "easy going" freemove board and then trying to implement as much classic wave and freestyle skills into the shape. Instead, we went the other way around.
In other words, the basis of the development was a potent new school freestyle board, which automatically led to maximum acceleration and pop.
This shape was then tuned so that it also functions as a capable wave board in logo-high side-on waves. For the ULTRA FreeWave to work in side-on wave conditions, it had to become crisp and direct plus truly work with a tri-fin setup.
Now let’s see what are the key ingredients of a great Bump&Jump Freemove board? For us it’s all about great acceleration, control and manoeuvrability.
But what’s really new and unique for such a board is the crisp feeling. Instead of feeling dull and boring to ride the ULTRA FreeWave offers an exciting ride sensation without sacrificing control or wind range. This is the reason why the FreeWave has been given the ULTRA suffix. The ULTRA FreeWave not only offers excitement when performing or learning new manoeuvres, but is also super exciting in a straight line and therefore puts a smile on your face throughout the entire session.
Our second priority was to create the first manoeuvre convertible that works equally great in single- and tri-fin setup and dramatically changes its character:
>> With the tri-fin setup it offers 70% of the GRIP 3 wave potential (top/bottom turns)
>> With a single fin setup it now feels a lot more exciting than its predecessor
>> Combined with a capable freestyle fin, the ULTRA FreeWave offers 70% of the hardcore freestyle potential of the SKATE
But we haven't stopped there yet. Instead of the industry-standard semi-custom technology the ULTRA FreeWave is now build in a FULL CUSTOM Technology which is the same way high-end custom boards are made. As a result, both versions are approx. 200g lighter than the previous models, but yet even stronger.
So you see, the legendary FreeWave has been improved in all respects deservedly becoming the ULTRA FreeWave.
The ULTRA FreeWave comes in 6 sizes of 74, 84, 94, 104, 112 and 119 litres for heavier riders and lighter winds.
Available in 3 FULL CUSTOM constructions:
+ FULL CUSTOM SLS Technology: STRONG-LIGHT-SUPERIOR
+ FULL CUSTOM D/LAB Technology: build like the most high-end custom-made boards
+ FULL CUSTOM PVC-WOOD Technology: no one offers a better price - weight - durability ratio
KEY FEATURES
THE FIRST TRUE CONVERTIBLE
The first manoeuvre convertible which works equally good in single- and triple-fin setup and dramatically changes its character
MINI-SPOCK SQUARE TAIL
The square outline combined with the thin yet boxy rail profile generates additional volume to push against. This generates extra pop for higher jumps
MULTI FOOTSTRAP INSERTS AND FIN OPTIONS
The multi footstrap inserts and fin options allow you to adjust the FreeWave according to your needs
2 TECHNOLOGIES
Available in FULL CUSTOM SLS or FULL CUSTOM WOOD TECHNOLOGY
BOARD SIZE RECOMMENDATIONS
High wind small board: body weight (kg) + 0 >< 5 liters
Everyday main board: body weight (kg) + 5 >< 15 liters
Low wind big board: body weight (kg) + 10 >< 20 liters
COMPARISON TECHNOLOGY LEVELS
FULL CUSTOM D/LAB
(used on all D/LAB boards)
- For these boards we use our most high-tech raw materials (Carbon, Innegra/Kevlar) resulting in the lowest possible weights, crispest ride sensation and maximum dent-resistance.
FULL CUSTOM SLS
(used on all 2026 SLS boards)
- The SLS construction uses a lower Carbon content and the Innegra is replaced by our exclusive S_GLASS+. This results in a more attractive price level.
- These boards are approx. 300g heavier than the D/LAB boards.
- Due to the FULL CUSTOM CONSTRUCTION the SLS boards are stronger and lighter than comparable boards made in the usual semi-custom construction.
FULL CUSTOM PVC-WOOD
(used on ULTRA GRIP, GRIP, ULTRA FreeWave)
- Our most price attractive boards made in FULL CUSTOM CONSTRUCTION. These boards feature wood reinforcements that effectively dampen peak loads.
FINS
The matching fin design has a similar importance to the board performance as the right mast for the sail.
That's why we have spent a tremendous time and effort into setting up a truly unique fin range.
360° R&D
We don't just buy external stock fins. Instead, one and the same team is now responsible for the board and fin development. This results in a perfectly matching unit lifting the board-fin performance to the next level.
FIN SPECIFIC TECHNOLOGIES
Instead of using one technology for all our fins we are using 3 different technologies according to the fin length and range of use:
- PREPREG FOR ALL LONGER FINS >> lighter than G10 and with adjustable flex due to the moulding process. 50% stronger than the usual RTM technology.
- G10 FOR ALL WAVE FINS >> indestructible
- INJECTION MOULDED CARBO_TECH FOR SHORT SIDE FINS >> guarantees the necessary tip-flex even on short fins.
THE 2 MOST INFLUENTIAL FIN DESIGNERS
With Dani Aeberli and Kai Hopf, the two Windsurfing fin designers with the most experience are responsible for our new fin range.
EXCLUSIVE PRODUCTION
Setting up our own exclusive production was inevitable to take our fin performance to the next level. Every process is supervised on site by our own QC specialist Vasin Siritho to guarantee the highest level in quality and consistency.
For all these reasons, we highly recommend to only use the fins supplied with the board.
THIS IS THE WAY - TO UNLEASH THE BOARD'S FULL POTENTIAL!
+6 YEAR WARRANTY
Register your new duotone board for free on our website within 60 days of purchase and receive an unrivalled extended warranty of 6 months beyond the legal warranty period of your country (excluding dents).
- PRODUCT INFORMATION
- FULL DESCRIPTION
- KEY FEATURES
- FINS
- +6 YEAR WARRANTY
- DELIVERY & RETURNS
THE LEGEND THAT INVENTED AN ENTIRE BOARD CATEGORY!
Take your riding to the next level! Built in full custom sls technology. With the ultra freewave our major aim was to get away from the typical does it all compromise board.
That's why we didn't go the usual route of creating an "easy going" freemove board and then trying to implement as much classic wave and freestyle skills into the shape. Instead, we went the other way around.
In other words, the basis of the development was a potent new school freestyle board, which automatically led to maximum acceleration and pop.
This shape was then tuned so that it also functions as a capable wave board in logo-high side-on waves. For the ULTRA FreeWave to work in side-on wave conditions, it had to become crisp and direct plus truly work with a tri-fin setup.
Now let’s see what are the key ingredients of a great Bump&Jump Freemove board? For us it’s all about great acceleration, control and manoeuvrability.
But what’s really new and unique for such a board is the crisp feeling. Instead of feeling dull and boring to ride the ULTRA FreeWave offers an exciting ride sensation without sacrificing control or wind range. This is the reason why the FreeWave has been given the ULTRA suffix. The ULTRA FreeWave not only offers excitement when performing or learning new manoeuvres, but is also super exciting in a straight line and therefore puts a smile on your face throughout the entire session.
Our second priority was to create the first manoeuvre convertible that works equally great in single- and tri-fin setup and dramatically changes its character:
>> With the tri-fin setup it offers 70% of the GRIP 3 wave potential (top/bottom turns)
>> With a single fin setup it now feels a lot more exciting than its predecessor
>> Combined with a capable freestyle fin, the ULTRA FreeWave offers 70% of the hardcore freestyle potential of the SKATE
But we haven't stopped there yet. Instead of the industry-standard semi-custom technology the ULTRA FreeWave is now build in a FULL CUSTOM Technology which is the same way high-end custom boards are made. As a result, both versions are approx. 200g lighter than the previous models, but yet even stronger.
So you see, the legendary FreeWave has been improved in all respects deservedly becoming the ULTRA FreeWave.
The ULTRA FreeWave comes in 6 sizes of 74, 84, 94, 104, 112 and 119 litres for heavier riders and lighter winds.
Available in 3 FULL CUSTOM constructions:
+ FULL CUSTOM SLS Technology: STRONG-LIGHT-SUPERIOR
+ FULL CUSTOM D/LAB Technology: build like the most high-end custom-made boards
+ FULL CUSTOM PVC-WOOD Technology: no one offers a better price - weight - durability ratio
THE FIRST TRUE CONVERTIBLE
The first manoeuvre convertible which works equally good in single- and triple-fin setup and dramatically changes its character
MINI-SPOCK SQUARE TAIL
The square outline combined with the thin yet boxy rail profile generates additional volume to push against. This generates extra pop for higher jumps
MULTI FOOTSTRAP INSERTS AND FIN OPTIONS
The multi footstrap inserts and fin options allow you to adjust the FreeWave according to your needs
2 TECHNOLOGIES
Available in FULL CUSTOM SLS or FULL CUSTOM WOOD TECHNOLOGY
BOARD SIZE RECOMMENDATIONS
High wind small board: body weight (kg) + 0 >< 5 liters
Everyday main board: body weight (kg) + 5 >< 15 liters
Low wind big board: body weight (kg) + 10 >< 20 liters
COMPARISON TECHNOLOGY LEVELS
FULL CUSTOM D/LAB
(used on all D/LAB boards)
- For these boards we use our most high-tech raw materials (Carbon, Innegra/Kevlar) resulting in the lowest possible weights, crispest ride sensation and maximum dent-resistance.
FULL CUSTOM SLS
(used on all 2026 SLS boards)
- The SLS construction uses a lower Carbon content and the Innegra is replaced by our exclusive S_GLASS+. This results in a more attractive price level.
- These boards are approx. 300g heavier than the D/LAB boards.
- Due to the FULL CUSTOM CONSTRUCTION the SLS boards are stronger and lighter than comparable boards made in the usual semi-custom construction.
FULL CUSTOM PVC-WOOD
(used on ULTRA GRIP, GRIP, ULTRA FreeWave)
- Our most price attractive boards made in FULL CUSTOM CONSTRUCTION. These boards feature wood reinforcements that effectively dampen peak loads.
The matching fin design has a similar importance to the board performance as the right mast for the sail.
That's why we have spent a tremendous time and effort into setting up a truly unique fin range.
360° R&D
We don't just buy external stock fins. Instead, one and the same team is now responsible for the board and fin development. This results in a perfectly matching unit lifting the board-fin performance to the next level.
FIN SPECIFIC TECHNOLOGIES
Instead of using one technology for all our fins we are using 3 different technologies according to the fin length and range of use:
- PREPREG FOR ALL LONGER FINS >> lighter than G10 and with adjustable flex due to the moulding process. 50% stronger than the usual RTM technology.
- G10 FOR ALL WAVE FINS >> indestructible
- INJECTION MOULDED CARBO_TECH FOR SHORT SIDE FINS >> guarantees the necessary tip-flex even on short fins.
THE 2 MOST INFLUENTIAL FIN DESIGNERS
With Dani Aeberli and Kai Hopf, the two Windsurfing fin designers with the most experience are responsible for our new fin range.
EXCLUSIVE PRODUCTION
Setting up our own exclusive production was inevitable to take our fin performance to the next level. Every process is supervised on site by our own QC specialist Vasin Siritho to guarantee the highest level in quality and consistency.
For all these reasons, we highly recommend to only use the fins supplied with the board.
THIS IS THE WAY - TO UNLEASH THE BOARD'S FULL POTENTIAL!
Register your new duotone board for free on our website within 60 days of purchase and receive an unrivalled extended warranty of 6 months beyond the legal warranty period of your country (excluding dents).
Life is complicated enough, so we've made returning items as simple as possible for mainland UK. Head to your account and click the link for returning items and we'll take it from there. For exchanges, simply select "refund" and re-order the required item again. We'll refund the very moment it's returned to us.
For NI, Channel Islands, Europe and Rest of World, you the customer will need to return the item to us as collections are not possible.
For item's where we've made a mistake or the item is faulty - we'll refund all postage costs on receipt of postage receipt and dispatch replacements items FOC. For items simply no longer required or where you the customer has ordered the incorrect size or product, return postage will not be refunded and dispatching out will be chargeable.


Let customers speak for us
from 127 reviewsAfter purchasing this wing earlier this year it has noticeably made tacks so much smoother and overall upgraded my riding. I bought the 3.0 and 5.0 metre and my 3.0m flies very well in both underpowered and overpowered conditions
I purchased the Unit SLS 2025 wing earlier this year and it has made tacks so much smoother and upgraded my riding. I also bought the Duotone Carve 3.0 D/LAB 2025 with the 800 front wing and once again it’s been a game changer, having a great amount of glide which works perfectly for both wingfoiling and kitefoiling!
All thanks to the H2O team that always have loads of knowledge, passion for watersports and go above and beyond!
Preferring not to throw away my (now discontinued) North Red boom which had a broken cuff, I called H2O to see if there was any way to salvage it. I spoke with Matt who was very knowledgeable and helpful but came off the phone somewhat resigned that I might not be able to get the part. However to my surprise a little while later I was blown away (with a force 5) when I got a call to tell me he’d sourced one for me. And here I am now, a week on, with all the bits I need to get back on the water; whoever said people don’t have time to help others! So the moral of this story is have a little faith and try H2O!
Preferring not to throw away my (now discontinued) North Red boom which had a broken cuff, I called H2O to see if there was any way to salvage it. I spoke with Matt who was very knowledgeable and helpful but came off the phone somewhat resigned that I might not be able to get the part. However to my surprise a little while later I was blown away (with a force 5) when I got a call to tell me he’d sourced one for me. And here I am now, a week on, with all the bits I need to get back on the water; whoever said people don’t have time to help others! So the moral of this story is have a little faith and try H2O!
Ordered a 1350 Glide 2.0 to progress on to from my 1750 aero free. Being a heavier rider I've found it's now my go to foil wing, initially a bit harder to get on the foil compared to the aero free but once up it feels completely effort less! Thanks to the team for getting me sorted out 🤙
James, Matt and the H20 Team are absolute gurus of the water sports industry, friendly, helpful and knowledgable. They will always give the right advice and come up with superb deals and first class support, thanks guys for always helping me to make the right decisions over the last 20 + years!
My new mast arrived from H20. Sports and it was so worth the wait. You immediately notice how much stiffer it is compared to the v1 carbon version when riding. The foil feels more responsive and direct .It also glides longer in transition s and riding bumps.
Its well worth the upgrade in my opinion.
I bpught this wing to replacr my Unit 5.5 m wing for tje summer breezes as i never liked using big wings. This wing is really powerful in the low end and allows you to pump really efficiently to get on foil with a bit of technique.
You can size down by half a metre with this wing compared to a Unit.
Its still fast and so good iwhen you roll into a tack.
Perfect quiver would be a 3 m , 4m & a 5 m in the Float for all conditions.
Its a great price too as lower than Dlab and SLS wings but with great performance.
As one of the H2O riders I have really enjoyed the variety of kit H2O have available. Including the Duotone sky surf 35Ltr which quickly become my favourite board because of its shorter and thicker shape while being low in litres it still allows me to get it out the water in some lighter winds. However it comes into its own when the wind is strong and the waves are pumping with its incredible manoeuvrability. Paired with the Duotone units (that are light weight and precisely balanced) wave riding is a dream.
I've been one of those riders who thought one board was enough. Turns out a downwind board has opened up so many more days on the water. I cant believe how easy this beast gets going in 6 knots. I use my 8' board with the 1100 and 1595 Duotone Glide. It's like a whole new sport. Whilst I've tried paddling up, I think I'll stick to winging for now (although can't wait to try the Stash Parawing).
Lots of the benefits of the DLAB Unit but without the price tag. Strong, light, and powerful. It's been great in all conditions, handles really well when over powered. I bought the 3.5, 4.5 and 5.5 to cover all eventualities. Personally I prefer the handle option which works really well with my harness. Matt and the team really helpful in deciding on the sizing.
I absolutely love my 65L/4'9" Sky Style SLS Wing Board. I'm about 88kg and it suits me for most conditions. Easy planing, great in waves, sold for jumping. Incredibly light, especially when paired with a DLAB Carve 800 foil and mast, which makes it a great overseas travel option too. Carbon finish and colours look great (picture on website doesn't do it enough justice). Not a big fan of the front foot straps overlapping but going to put the new v-strap on which will sort this.
I usually go for the DLAB or SLS Concept Blue Units but this wing has had great reviews so thought I'd give it a try. Great power delivery and handling, really light weight but solid construction. The wing’s dihedral and tension profile give amazing flight balance so although designed for wave/downwind, I think this wind would suit all levels. Bought teh 5m for the summer but bought a 4 ready for the winter swell.
The 2025 Unit is a good allrounder fast, stiff & light wing.
I prefer to size down my Unit as they are really grunty wings.
They also have great top end aswell and the white colourway looks cool.
I have ridden the Skybrid SLS 70 litre and its a great hybrid board between a short wave freesyle board and a mid length shape.
Easy to get up though its narrower than my previous boards and does require a little more effort.
The big advantage is the early planing speed to get on foil and the glide.
Its a good allrounder in waves and flat water.