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 Lens Color / Frame Color : Polarized Emerald Mirror / Matte Black 100 percent UVA/UVB Protection with Distortion-Free Clarity T-Shell lens coating resists scratching in extreme environments Removable Facial Cavity Seal Protects Eyes from Fine Dust, Pollen, Irritants as well as Peripheral Light