The Science of Sustainable Denim


ISKO’s SS26 collection utilizes RE&UP’s Next-Gen advanced recycled textile fibers that match the quality and durability of virgin materials.
ISKO’s SS26 collection utilizes RE&UP’s Next-Gen advanced recycled textile fibers that match the quality and durability of virgin materials.

How R&D is Elevating Next-Gen Fibers

Denim has always been a staple – timeless, durable, and effortlessly cool. But as the industry shifts toward sustainability, the challenge is clear: how do we make denim more responsible without losing the quality, comfort, and performance that people love?

That’s where Next-Gen fibers and cutting-edge R&D come in. At ISKO, we’re proving that sustainability doesn’t have to be a trade-off. With advanced fiber technologies and relentless innovation, we’re making sure recycled fibers perform just as well – if not better – than their virgin counterparts.

Rethinking Fibers: The Future of Denim Starts Here

As we all know, traditional cotton farming is resource-intensive – it takes a huge amount of water, land, and chemicals to grow the fibers that go into denim. But what if we could break that cycle? That’s exactly what we’re doing by incorporating high-quality Next-Gen fibers from RE&UP into our fabrics.

We’re working with cutting-edge fiber recovery technologies that transform post-consumer and post-industrial waste – think end-of-life garments and textile scraps – into premium yarns. The result? Fabrics that look, feel, and perform like virgin denim, but with a significantly lower environmental impact.
It’s a win-win: we reduce waste, extend the life of existing materials and create circular denim that’s built for the future.

ISKO’s SS26 collection utilizes RE&UP’s Next-Gen advanced recycled textile fibers that match the quality and durability of virgin materials.
ISKO’s SS26 collection utilizes RE&UP’s Next-Gen advanced recycled textile fibers that match the quality and durability of virgin materials.

The R&D Behind Game-Changing Fabrics

At ISKO, our R&D team has spent years perfecting how to integrate Next-Gen fibers without compromising the things that matter – strength, stretch, breathability and that signature denim feel.

It’s not just about swapping materials; it’s about engineering fabrics that go beyond expectations. We’ve developed advanced fabric blends that:

  1. Offer superior durability and comfort – backed by our internal Martindale testing, which measures abrasion resistance and ensures our fabrics stand up to real-world wear.
  2. Maintain deep, rich colors and premium finishes.
  3. Provide the perfect balance of structure and stretch for all-day wear.

And it doesn’t stop at fibers. We’re also redefining finishing processes – creating sustainable alternatives to traditional denim treatments that require less water, energy, and chemicals while still delivering the same iconic aesthetics, from raw denim to vintage-inspired washes.

Circularity & Transparency: The New Standard for Denim

Sustainability isn’t just about materials – it’s about accountability. The industry is shifting toward circularity, where every fabric, fibre, and thread has a purpose beyond just one lifecycle. That’s why we’re not only incorporating recycled fibers but also ensuring complete transparency in how our fabrics are made.

We provide Lifecycle Assessment (LCA) data for our fabrics in the form of an Environmental Product Declaration (EPD), which details the water, energy, and carbon footprint per square meter of fabric. This allows brands and consumers to make informed choices backed by real, measurable impact data.

The Future of Denim is Innovation

Sustainable denim isn’t a trend – it’s the future. And that future depends on innovation. As technology advances, so do our opportunities to create fabrics that push boundaries, minimize impact, and redefine what’s possible in denim.

At ISKO, our commitment to R&D ensures that our fabrics don’t just meet industry standards – they set them.

Because when it comes to sustainability, good enough isn’t good enough – we’re here to make denim better than ever.