Levi Strauss & Co., Gap and Artistic Milliners are among companies partnering with Fashion for Good to establish more credible data on fiber shedding. The companies are part of Fashion for Good ’s “Behind the Break 2.0,” the second phase of a targeted research initiative designed to strengthen confidence in fiber loss data, consolidate existing knowledge, and expand supplier engagement across the textile and fashion value chain. It builds on the work started in Phase 1.0 which began in 2024 and tested the strengths and limitations of different methods used to measure fiber loss. The research identifed how much results vary between labs and explored what drives fiber shedding across cotton knit, cotton woven and polyester knit. It also revealed “significant lab-to-lab variability” with the gravimetric methods used to measure fiber loss.…