Ergodyne - EGO59235 Skullerz Vali Anti-Scratch & Enhanced Anti-Fog Safety Glasses are lightweight. Tough, anti-fog, polycarbonate lenses protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Contoured nose bridge won't slip or pinch. Nonslip, soft, rubber temples and molded-over rubber ends enhance grip. Fog-Off Plus technology delivers scratch-resistance and enhanced, anti-fog performance for clear viewing no matter the job. They are useful for those working with dust masks or in extreme temperature change. Impact-resistant safety glasses are tested to ANSI/ISEA Z87.1-2020 High-Velocity Impact Protection and optical requirements. They are great for protecting your eyes during outdoor work such as construction, carpentry/woodworking, welding or landscaping. Smoke lenses with 16 percent VLT are ideal for outdoor and bright-light conditions.