From deadstock lines to recycled materials to fabrics made from foodstuffs and other organic ingredients — Bolt Threads Mylo™ mycelium unleather, Evrnu NuCycl™, ECONYL® regenerated nylon sourced from post-consumer waste and ocean plastics, as well as regenerative cotton from SÖKTAŞ — both fast fashion and luxury brands are trumpeting their sustainable initiatives. It sounds like a great leap forward, but what percentage of product actually equates to these plans? How long will it be before critical mass is achieved — and is it even possible? What sort of investment would it demand? How do we prioritize? And how do we balance start-of-life fabrication with end-of-life considerations?