Skullerz Thor Anti-Scratch & Enhanced Anti-Fog Safety Glasses feature a durable, full-frame design that bends and flexes without breaking. Tough, anti-scratch, anti-fog, polycarbonate lenses protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Nonslip, rubber nose piece and rubber temples keep glasses secure and resist sweat. Fog-Off Plus technology delivers scratch-resistance and enhanced, anti-fog performance for improved clarity and durability. 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 also tested to MIL-PRF-32432 Ballistic Fragmentation Class 1. Indoor/outdoor lenses with 50 percent VLT are perfect for indoor, nighttime, hazy and cloudy conditions.