Sphere-X Ultimate(TM) with Ventilation Lens Slots, Series SG-51, Gender Not Applicable, Lens Color Clear, Lens Coating Anti-Fog, Anti-Scratch, Anti-Static, Frame Color Black, Eyewear Size M, Frame Material Polycarbonate, Lens Material Polycarbonate, Photochromatic Lens No, Metal Detectable No, X-Ray Detectable No, Includes Not Applicable, Standards ANSI Z87.1-2010, CE 89/686/EEC PPE Directive, EN166, MIL-PRF-31013