The two brands have partnered to launch the first-ever pair of women’s jeans using Isko’s bluesign-approved denim fabric. The Cali Demi-Boot Jeans, retailing for US$138 launches today on

The Madewell jeans are made with Isko’s fabrics, dyed with bluesign-approved chemical products and manufactured in a resource-conserving way with minimum impact on people and the environment.

Isko’s bluesign approved status, as the brand claims, is a uniquely challenging feat for a denim mill to accomplish. The bluesign approved label is awarded only to the bluesign system partner manufacturers that meet the strict safety and environmental requirements of the bluesign criteria, such as, ensuring production sites are safe for workers, reducing CO2e (carbon dioxide equivalent) emissions and water consumption, as well as avoiding hazardous substances in production; among many others.

Daniel Rufenacht, CEO of Bluesign, said, “This collaboration, between two of the denim industry’s heavyweights, coupled with our bluesign system for eliminating hazardous chemicals and reducing environmental impacts, demonstrates that the solutions to develop a high-quality, more sustainable, and accessible priced product is possible within the fashion industry at scale. We are thrilled to see this collaboration come to life and look forward to seeing more Madewell products using bluesign-approved Isko materials in the future.”

“At Isko, we believe that future-focused innovation empowers and improves our industry and enhances the value of our partnerships. This is evident in our achievements with bluesign, in which our collaborations continuously help to lower the fashion industry’s impact on climate change. Now, together with Madewell, we have collectively delivered to the market a world’s first in sustainable denim innovation. Being a global leader in the industry, Isko has the power to drive and accelerate change, and so we can confidently say that we will achieve our shared vision for a cleaner, safer, and more transparent supply chain,” commented Fatih Konukoglu, CEO of Isko.

Last year, Isko launched an entire collection using R-TWO50+ technology that combined the brand’s responsible innovation approach to sustainable production and pioneering technologies.

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