Stanley 500 Series Safety Glasses, Mirror Lens (RST-61016) Sport style wraparound design with side protection Soft rubber adjustable temple tips for a secure and comfortable fit Lightweight metal frame; spring hinge temples for secure fit; black matte finish Mirror lens tint is ideal for outdoor work environments where sunlight and glare can cause eye strain and fatigue Meets ANSI Z87.1-2010 safety standards; provides 99.9% UV protection