WorkSight Series Eyewear Accessory. Shatterproof Selenite Polycarbonate Lenses that Meet ANSI Z87.1-2010 High Velocity and High Mass Impact Standards as well as US Federal OSHA 1910.133(b)(1)(1) Standards. 100 percent UVA/UVB Protection with Distortion-Free Clarity. T-Shell Lens Coating Resists Scratching in Extreme Environments. Compatible with all WS Profile Frames.