Spiber has launched a new collaboration with JNBY Group, a leading contemporary fashion conglomerate based in Hangzhou, China. Through this collaboration, the Group’s two signature brands—JNBY and CROQUIS—will release items made with Brewed Protein™ fiber, marking the first time this material has been adopted by a Chinese fashion brand. This initiative signifies a new phase in Spiber’s business development in the Chinese market—progressing from partnerships with domestic textile manufacturers to direct collaboration with consumer-facing brands.

Overview of the collaboration with JNBY Group

Recognized as a key player in China’s contemporary fashion industry, JNBY Group operates a diverse portfolio of original brands. In this collaboration, the group’s core brands—CROQUIS and JNBY—have become the first Chinese fashion brands to adopt Brewed Protein™ fiber in their products.

CROQUIS

CROQUIS, a menswear brand known for its intelligent and architectural design, offers refined styles for modern urban lifestyles. In this collaboration, the brand expresses the innovative potential of Brewed Protein™ fiber through a newly released coat.

Item: Double-faced wool coat
Launch date: September 26, 2025
Material composition: 17.5-micron fine worsted wool yarn blended with 10% Brewed Protein™ fiber

Features:

• Precision-engineered double-faced fabric
• Balances the refined texture and comfort of natural fibers
• Lightweight yet structured silhouette
  
  
  

JNBY

As the founding brand that symbolizes JNBY Group, the womenswear brand JNBY is guided by the values of being intellectual, independent, and experimental—pursuing minimalist yet distinctive design. Through this collection, the brand embodies its design philosophy by incorporating Brewed Protein™ fiber.

Item: Wool coat
Launch timing: October 2025
Material composition: Super 120 (17.5-micron) fine wool yarn and Brewed Protein™ fiber

Features:

• A luxurious and refined texture achieved by fusing wool with protein-based material
• Combines a sculptural silhouette with lightweight wearability
• A new material-driven approach to expressing the brand’s experimental ethos

Comment from JNBY Group — Webber Wu, Marketing Director:
“This collaboration will undoubtedly be a significant milestone in the history of both companies. The launch of these products resonates deeply with JNBY Group’s value of ‘Better Design, Better Life,’ and we are honored to deliver high-quality products with reduced environmental impact to our customers and society.”

Presentation at the 2025 SHAN FUTURE FORUM during Shanghai Fashion Week

The collaboration was also introduced at the 2025 SHAN FUTURE FORUM held on October 11 during Shanghai Fashion Week. It was spotlighted as a tangible step forward in advancing both material innovation and sustainable transformation within the fashion industry.

At the forum, Callie Clayton, Global Apparel Product Sales VP at Spiber, joined Stella Zheng from JNBY Group and Han Zhang from Plug and Play China in a panel discussion. Together, they exchanged views on brand–supply chain collaboration to scale new materials and discussed the broader potential of Brewed Protein™ fiber. JNBY Group also announced it had reached its target of 30% sustainable material usage and will continue to adopt advanced biotech materials, including Brewed Protein™ fiber, across its brand portfolio.

Looking ahead

This collaboration marks Spiber’s first consumer-facing brand partnership in the Chinese market and represents a shift from industrial collaborations to direct engagement with consumers. Moving forward, Spiber will continue to expand global partnerships—including across the Asian market—and pursue sustainable innovation through the evolution of materials.

JNBY Group website: https://www.jiangnanbuyigroup.com.cn/en/group