Spiber and Iris van Herpen make a mark at Paris Haute Couture Fashion Week

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In Paris, Dutch haute couture designer Iris van Herpen have unveiled two bridal looks during Paris Haute Couture Fashion Week Autumn/Winter 2025 that were made using protein fibers produced by Japanese biotech firm Spiber.

“This partnership represents a powerful dialogue between science and art—two pioneering voices united by a shared aspiration to redefine the future of fashion,” Spiber said in a press statement. It “signals a deep philosophical alignment, where creativity, technology, and sustainability are not separate pursuits, but interconnected forces shaping a new material narrative.”

Spiber engineers entirely new proteins by designing DNA based on examples found in nature such as spider silk, cashmere fibers, and silk cocoons.

The material forms the foundation of the bridal look, where sheer organza is cut in gradient-sized moonshapes and heatbonded to the laser cut Brewed Protein™ fabric bonings. Hundreds of white coral petals are then stitched upwards onto a nude illusion tulle, spiraling down into a translucent twisted train.