(TrendHunter.com) Leaf Bio has introduced its plant-based performance material BioFleax into the global fashion market through the Stella McCartney H&M Spring 2026 collection. This innovative fabric appears in a…(TrendHunter.com) Leaf Bio has introduced its plant-based performance material BioFleax into the global fashion market through the Stella McCartney H&M Spring 2026 collection. This innovative fabric appears in a…