Skullerz Odin Safety Glasses feature a tough, scratch-resistant lens that filters 99.9 percent of harmful UVA, UVB and UVC rays to keep your eyes safe in the sun. They are military tested and ANSI Compliant. Smoke Fog-off Lens is ideal for outdoors and bright light. Permanent, anti-fog treatment delivers fog-free viewing at all times and will not wash or wear off. Great for use with dust masks, these lenses won't fog so you can focus on the job at hand. Durable, nylon frames bend and flex without breaking. Nonslip, rubber nose piece and rubber temples keep the full-frame glasses secure and resist sweat. Integrated accessory receptors at each temple also improve airflow when not in use. Frame width is 142mm.