Sustainable fashion has transitioned from niche to mainstream in 2026, driven by consumer demand and regulation. Major luxury groups including LVMH and Kering have announced ambitious circular economy targets. Independent designers are pioneering upcycling and zero-waste production. Vintage and resale platforms are experiencing explosive growth. Consumers increasingly ask where their clothes come from and how they are made. Supply chain transparency and sustainable materials investment are becoming standard. The industry is beginning to address its significant contribution to global carbon emissions and textile waste through innovative materials and production methods.