ArmourSight® lens technology for best vision & 10X stronger than ordinary polycarbonate lenses. Multiflection™ lens coating guards against scratches & smudges. Ultra-light. ArmourFusion® frames are built from a combination of titanium & Grilamid for superior strength & flexibility. All Under Armour® Performance Eyewear lenses block 100% of UVA, UVB & UVC rays. Fit runs large.