Cornell University fiber scientist Juan Hinestroza discusses the COVID-19 pandemic and new possibilities for the materials used in medical gear, known as personal protective equipment. He also talks about innovations in apparel and the future of fashion. Hinestroza is associate professor of fiber science in the College of Human Ecology. He directs the college’s Textiles Nanotechnology Laboratory and previously worked as a process control engineer for a major U.S. chemical company.