Over the past 10 years, some $3 billion has poured into innovating the fabric of the fashion industry, driving excitement around next-generation materials like mushroom leather, lab-brewed fibres and recycled textiles.
But earlier this month, Bolt Threads, which is backed by Stella McCartney and Kering, halted operations after years of high-profile promises. In response, BoF columnist Kenneth Pucker opined on the hurdles preventing new…