Smart textiles woven with photo-reactive chemistry that shift color in real-time when UV radiation becomes dangerous—because skin cancer doesn't care if it's cloudy.
You're hiking on a cloudy day, thinking you're safe. Then you glance down at your Helios wool shirt—and notice it's slowly turning amber-orange. Despite the overcast sky, UV radiation is at dangerous levels. Your own clothing is telling you: cover up now. It feels like having a protective sixth sense against an invisible killer.