Skullerz Dagr Anti-Scratch & Enhanced Anti-Fog Safety Glasses are half-frame glasses with a blade-style design for a sleek, sporty look perfect for on and off the job. Tough, anti-scratch, anti-fog, polycarbonate lenses protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Durable frame bends and flexes without breaking. 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.