The Skullerz Thor Safety Glasses look great both on and off the job. These full-frame protective work safety sunglasses feature tough scratch-resistant lenses that filter 99.9 percent of harmful UVA, UVB and UVC rays to keep your eyes safe in the sun. The durable frames bend and flex without breaking. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. These impact-resistant safety glasses are tested to ANSI Z87.1+ High-Velocity Impact Protection and optical requirements. Also tested to MIL-PRF-32432 Ballistic Fragmentation, Class 1, which is the US Military Combat Eye Protection System Performance Specification for eyewear.