Bomber R103 X-Bomb Safety Glasses Smoke Lens These are Smoke frames and Smoke lens. USA OSHA approved, conforms w/ANSI Z87+ 2003 for strength, heat resist Lens and frame made from High Index Polycarbonate IRPC lens blocks 100% of UV-A and UV-B Rays (even the clear lenses!). Contemporary wrap around design. Ultra light weight.