Spiber & Iris Van Herpen Do A Visionary Collaboration. Spiber Inc. and Iris van Herpen Unite for a Visionary Collaboration at Paris Haute Couture Fashion Week AW25. Yamagata, Japan – July 7, 2025 – At the forefront of high fashion and biomaterial innovation, Japanese biotech venture Spiber, a pioneer in artificial protein fiber, and acclaimed…