Stanley Vapor Sport Safety Glasses, Sliver Mirror Lens (RST-61006) Optical grade, 9-base wraparound polycarbonate lens provides 180 field of vision Soft nose bridge conforms to various nose shapes and sizes; sport temples deliver secure, comfortable fit; black nylon frame is lightweight Scratch-resistant coating enhances safety and extends lifespan of glasses Indoor/outdoor silver mirror lens tint is suitable for indoors, and ideal for outdoor work environments where sunlight and glare can cause eye strain and fatigue Meets ANSI Z87+ and CSA Z94.3 safety standards; 99.9% UV protection