Spiber Inc., a pioneer in man-made protein fiber produced using a precision fermentation process, has launched a new collaboration with JNBY Group, one of China’s leading contemporary fashion conglomerates headquartered in Hangzhou.
Through this partnership, JNBY Group’s two signature brands—JNBY and Croquis—will release items made with Brewed Protein fiber, marking the first adoption of the material by a Chinese fashion brand.
This initiative represents a new phase in Spiber’s business development in China, moving beyond earlier collaborations with domestic textile manufacturers to establish direct partnerships with consumer-facing fashion brands.
Collaboration Overview
Recognized as a creative force in China’s contemporary fashion landscape, JNBY Group operates a diverse portfolio of brands that emphasize originality, craftsmanship and a strong design identity. In this collaboration, the group’s two flagship brands—Croquis and JNBY—have become the first Chinese brands to incorporate Spiber’s Brewed Protein fiber into their commercial collections.
- Item: Double-faced wool coat
- Material composition: 17.5-micron fine worsted wool yarn blended with 10% Brewed Protein fiber
- Features:
- Precision-engineered double-faced fabric creates a refined handfeel and form stability
- Balances the comfort of natural fibers with the structure of technical materials
- Expresses a new material narrative within Croquis’ minimalist design philosophy
JNBY
As JNBY Group’s founding and flagship label, JNBY is defined by a philosophy of being intellectual, independent and experimental, blending minimalist forms with distinctive character. The new wool coat designed with Brewed Protein fiber brings this spirit to life through material innovation.
- Item: Wool coat
- Material composition: Super 120 (17.5-micron) fine wool combined with Brewed Protein fiber
- Features:
- Luxurious texture and smooth drape achieved through high-grade Super 120 wool
- Innovative fusion of protein-based and natural fibers for a subtle new handfeel
- A material-driven exploration of JNBY’s experimental design vision
Webber Wu, JNBY Group marketing director, said, “This collaboration will definitely be a landmark in the history of both companies. The product launch is perfectly in line with JNBY Group’s value, ‘Better Design, Better Life,’ and we are honored to introduce such premium products with much lower environmental impact to our consumers and the public.”
