Interview with Stephanie Downs

Stephanie Downs
Stephanie Downs
CEO
Uncaged Innovations
Uncaged Innovations

Our ambition is not growth alone, but leadership in next-gen materials
Uncaged Innovations develops animal-free leather alternatives using its proprietary BioFuze technology. Its flagship material, Elevate, delivers leather-like performance with low environmental impact, full traceability, and seamless manufacturability at scale.

In conversation with Fibre2Fashion, CEO Stephanie Downs explained how BioFuze replaces animal collagen with grain-derived structural proteins, enabling durable, design-flexible materials that help brands meet regulatory, luxury, and mass-market demands without sacrificing margins or aesthetics.

What core technological breakthrough enables Uncaged to create scalable animal-free leather alternatives?

Our patented BioFuze technology replaces animal collagen by fusing structural proteins derived from grains with other bio-based elements, forming durable fibral networks that replicate the performance characteristics of leather. This approach allows Elevate to be precisely engineered for different applications.
Fashion typically requires thinner constructions for drape and manipulation, while automotive and mobility demand thicker, more robust materials designed for durability and structural integrity.
Beyond performance, Elevate can also be customised in colour and scent using natural pigments and botanical extracts, enabling brands to create a distinct sensory signature. This combination of performance engineering and creative flexibility is what makes the material scalable across sectors.

With rising demand for vegan, plastic-free materials, how does Uncaged balance durability, sustainability, and leather-like performance while remaining affordable at scale?

Elevate is engineered to perform at parity with, and in some cases exceed, traditional materials. It matches bovine leather in flex durability, tensile strength, and tear resistance, and outperforms both animal leather and standard PU in water resistance and flex testing.
From a production standpoint, Elevate can be manufactured within a single day, allowing brands to respond quickly to demand while operating with significantly lower environmental impact using up to 89 per cent less water, 71 per cent less energy, and generating up to 95 per cent fewer greenhouse gas emissions than animal leather. 
Just as importantly, the material integrates seamlessly into existing manufacturing processes, requiring no specialised equipment or retraining. That combination of performance, speed, and compatibility is what makes scale both achievable and economically viable, offering financial benefits for businesses. 
With a longer lifespan, Elevate reduces maintenance and replacement costs, providing a long-term cost advantage.

What were the biggest challenges in moving from lab innovation to commercial readiness and roll-to-roll production?

The transition from lab-scale innovation to industrial production is the true test for any new material. For us, achieving consistency across our roll-to-roll processes was the most complex challenge.
By working closely with industrial partners from an early stage, we were able to accelerate that learning curve. Today, we can produce thousands of metres per week with consistent quality. That marks a clear shift from innovation to true commercial readiness.

How are brands responding to animal-free and bio-based materials in terms of adoption, cost sensitivity, and performance expectations?

Brands are no longer evaluating animal-free materials as experimental alternatives; instead, they are assessing them against the same performance, aesthetic, and cost benchmarks as traditional materials.
Uncaged works with partners ranging from early-stage brands to global corporations, including large fashion brands soon to be announced, Jaguar Land Rover (JLR) and Hyundai Motor Group, across applications spanning footwear, apparel, and automotive interiors. 
Extensive testing ensures that Elevate meets the technical and aesthetic standards required in both luxury and industrial contexts, without compromise.

Where do you see Uncaged Innovations in the next 5-10 years?

We see Uncaged Innovations becoming the material of choice across industries that have historically relied on leather, from fashion and accessories to automotive interiors and beyond. 
Building on partnerships with major fashion groups and automotive leaders such as Jaguar Land Rover and Hyundai, our focus is on scaling responsibly while continuously raising standards for performance and transparency. 
Our ambition goes beyond growth to leadership, helping define what next-generation materials look like at an industrial scale and proving that quality and aesthetics need not be compromised to make more responsible choices for the planet.

What are the biggest barriers to scaling next-generation biomaterials across the fashion, lifestyle, and mobility industries today?

Venture capitalists are increasingly receptive to biomaterial companies, but the sector is now under far greater scrutiny. Many early movers that helped generate initial interest and demand have also faced significant challenges. 
For Uncaged, securing investors who aligned with our mission and recognised our long-term potential was business-critical, enabling us to scale our material and grow sustainably.
Finding manufacturing partners can be equally challenging. Most operate high-volume production lines, and introducing a new material can be seen as disruptive. 
Our approach addresses this concern directly: the material is designed to integrate seamlessly into existing processes, requiring no specialised training or additional maintenance, and allowing adoption with minimal operational disruption.

What role can animal-free materials play in helping mass retailers meet ESG and compliance targets without sacrificing margins?

There is increasing regulatory pressure from both the European Union and the United States, particularly around sustainability, traceability, and climate accountability frameworks such as Nationally Determined Contributions (NDCs). These regulations require brands and manufacturers to demonstrate measurable reductions in environmental impact, supported by verifiable data rather than broad claims.
Elevate aligns closely with these requirements by delivering a materially lower environmental footprint. Compared with traditional animal leather production, each roll of Elevate uses 89 per cent less water, consumes 71 per cent less energy, and generates 95 per cent fewer greenhouse gas emissions. Crucially, its polyurethane (PU) content is kept below 1 per cent, used only where necessary to enhance durability and performance. This minimal PU inclusion avoids the heavy plastic dependency typical of many so-called vegan leathers, while ensuring the material meets demanding performance standards for fashion, automotive, and interior applications.
Equally important for mass retail and large-scale manufacturing, every roll of Elevate is supported by a clear, auditable data trail. This end-to-end transparency reduces compliance risk, simplifies regulatory reporting, and eliminates the need for costly retrofitting or last-minute material substitutions as regulations evolve.
Without verifiable metrics, meeting regulatory obligations or building long-term consumer trust becomes impossible. By offering consistent quality, predictable inputs, and independently verifiable ESG performance, animal-free materials like Elevate enable retailers and manufacturers to meet both regulatory and consumer expectations without absorbing margin-eroding costs or compromising on performance and aesthetics.

Do you see animal-free leather becoming a signature material for future luxury collections, rather than an alternative offering?

Yes. In many cases, that shift is already underway. Several brands are now building collections and even entire brand identities around animal-free materials.
Over the next decade, plant-based and bio-engineered leathers will move from being alternatives to becoming the standard. Our mission at Uncaged is to make sure when that shift happens, Elevate is the benchmark the industry turns to.

How do you see animal-free and bio-based materials reshaping global supply chains over the next decade?

Global supply chains are being reshaped by a convergence of consumer expectations and regulatory requirements, along with environmental constraints. Brands are moving beyond simply asking whether materials are sustainable to questioning how impact is measured, verified, and actively reduced.
Biomaterials offer a path forward by combining performance with transparency. As adoption increases, supply chains will become more streamlined, data-driven, and aligned with the values consumers increasingly expect from the products they buy.
Interviewer: Shilpi Panjabi
Published on: 11/02/2026

DISCLAIMER: All views and opinions expressed in this column are solely of the interviewee, and they do not reflect in any way the opinion of Fibre2Fashion.com.