Bolle Prism Safety Glasses Prism eyewear is made of polycarbonate lens material Optimal fit, ultra-lightweight frame 99.99 percent UVA and UVB light absorption Anti-Scratch and Anti-Fog Lens High contour (9 base) dual lens Prism eyewear is made of polycarbonate lens material Prism eyewear features 2.2mm high impact anti-fog, anti-scratch coated polycarbonate lens High contour (9 base), single piece lens with 180-Degree distortion free viewing and superior optical quality 99.99-Percent UVA and UVB light absorption Available in shiny black frame and silver mirror lens color