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Concept Blue

At Duotone, we are aware of the environmental impact of our sport and passion, we recognize our collective responsibility to create a sustainable future for water sports, foster youth engagement, and protect our playgrounds. That’s why we've developed Concept Blue, to help us minimize our environmental impact. We are proud of the progress we have made and are committed to continuing our efforts.


Concept Blue products are our next step towards a better future and an additional element in our Save Our Playgrounds campaign. Our R&D Team is dedicated to design products with the latest and most sustainable materials available on the market. To help protect our playgrounds, we are committed to examine what we are already doing while continuing to explore what can be done in the near future and decades ahead. A sustainable ethos drives everything we do, from selecting and sourcing raw materials for our products to the manufacturing process and the lifecycle of everything we create. Concept Blue is the next chapter.

Products already being incorporated in the Concept Blue Campaign:



Evo and Neo Concept Blue

The Evo and the Neo get a sustainable touch for 2024; Concept Blue is a new, more environmental friendly concept that gives you the same great kite and performance you have come to expect across a range of disciplines, coupled with more environment-conscious materials.

The Concept Blue by Duotone Kiteboarding - a revolutionary approach to sustainable product design. What sets Concept Blue apart is its commitment to environmental responsibility without compromising on performance. After introducing Concept Blue in Twintips and surfboards, now also the first two kite models, the Evo and the Neo are getting the Concept Blue treatment.


Key ingredients of Concept Blue in kites include undyed canopy and dacron showcasing the natural color of untainted materials. Please note undyed kites are not simply white kites. By not dying the fabrics, a significant amount of water can be saved during the process!

Areas with undyed fabrics:

  • Leading Edge / Dacron

  • Canopy

  • Trailing Edge

Our savings in numbers:

  • Up to 46% less water usage

  • Up to 35% energy savings

  • Up to 12% CO2 footprint reduction

  • 100% savings of dyestuff



Both kites embody the core principles of Concept Blue further more by using a bio-based bladder. The bio-based bladder not only reduces carbon footprint by up to 29% but also boasts a remarkable 57% bio-based carbon content, aligning with sustainable practices and measurements.

Our savings in numbers:

  • Up to 29% less carbon footprint

  • Up to 57% Bio-based carbon content

  • Bio-based carbon can be measured according to an world wide standard (ASTM d6866)


Moreover, Concept Blue prioritizes the use of recycled plastic in the manufacturing of most plastic parts, with a minimum of 50% post-industrial recycled material incorporated. This initiative not only contributes to reducing plastic waste but also supports a circular economy by repurposing existing materials.

Concept Blue by Duotone Kiteboarding is a testament to the brand's dedication to sustainability and innovation and takes the next step now in kite design. By integrating enviromental-friendly materials and manufacturing processes, Concept Blue ensures the same performance, but also promotes a more sustainable future for the sport of kiteboarding. With Concept Blue, Duotone Kiteboarding is leading the way towards a greener, more environmentally conscious approach to kite design and manufacturing.


Evo Concept Blue


Neo Concept Blue

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Two of our most popular twin tips are now part of the Concept Blue range, featuring new materials for kiteboards: Flax and Basalt. The Flax plant grows exceedingly fast; it can be harvested after just 100 days, which means it uses fewer resources to get to the finished product. For the twin tips, we are using Flax Fibre to completely replace Glass Fibre in the production process; it offers similar properties, but with many added benefits. It is a natural material that is eco-friendly to create, far more so than traditional glass fibre. Additionally it offers superior dampening capabilities compared to Glass Fibre and has excellent torsional flex characteristics. These attributes make it a great material to use in our twin tips.

We are combining Flax Fibre with Basalt Fibre. Basalt is another natural fibre, which is created from volcanic rocks. We combine it with Flax Fibre to increase the torsional and longitudinal stiffness. The combination of Flax and Basalt allows us to reduce the overall CO2 footprint of the products we create and also to better control the strength and flex characteristics of the board, maintaining a sporty performance and giving you a better ride. Our Concept Blue boards are produced using 100% solar energy to further enhance our commitment to sustainablity. The power needed in any production facility is often more polluting than the final product. Switching to solar energy is another step towards a more sustainable future.

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Volt SLS

New for 2024, the Volt SLS is a small wave and light wind board designed to get you out on the water having fun as soon as possible. Our first surfboard in the Concept Blue range and starting our journey to becoming evermore sustainable.

Made in Italy, the Volt SLS is our first Concept Blue surfboard; the goal was to reduce the environmental impact of the board on the planet and the oceans we enjoy. A Zero Impact Core, Bio Resin, Cork and Basalt Fibre are used instead of more traditional materials. Basalt replaces glass & carbon. This new material is both natural and plentiful, coming from volcanic rock, but it nevertheless offers very similar characteristics like carbon. It is incredibly strong and gives you a very responsive and lively ride. Innegra Shield wraps our Zero Impact Core, bringing impressive durability that will ensure the board lasts a long time; this board also features our Cork Shock Absorber 2.0. On the water, the Volt SLS has a fast rocker line, perfect for getting going in light winds and ideal for offering drive and speed on the wave. Perfect for smaller waves, the rail design allows it to perform tight vertical snaps while ensuring you have lots of grip through more drawn-out bottom turns. Incredibly fun to ride when the conditions are challenging, the Volt SLS Concept Blue is the first in what will become a much bigger lineup of eco-friendly surfboards from Duotone.

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The Duotone apparel collection is truly unique because of its use of undyed organic cotton in several models of the Concept Blue range. Undyed organic cotton is simply organic cotton that has not been dyed or treated with anychemicals or coloring agents. This natural, unprocessed cotton has a number of advantages over its dyed counterparts.

Firstly, undyed cotton is much better for the environment. The dyeing and finishing processes used in traditional textile manufacturing can be incredibly harmful, releasing toxic chemicals and pollutants into the air and water. By using undyed cotton, the Duotone collection is able to reduce its environmental impact and help protect the planet. Secondly, undyed cotton is incredibly soft and comfortable to wear. Unlike dyed cotton, which can sometimes feel stiff or rough, undyed cotton is free from any harsh chemicals or treatments, making it gentle on the skin. Moreover, because it has not been subjected to any harsh dyeing processes, undyed cotton is less likely to irritate sensitive skin. Finally, undyed cotton has a natural, earthy look that is perfect for the minimalist, understated aesthetic of the Duotone.

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