Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. 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/ISEA Z87.1-2020 High-Velocity Impact Protection and optical requirements which is the US standard for Personal Eye and Face Protection Devices and is listed on the frame (Marks: Z87.1+). These glasses are also tested to MIL-PRF-32432 Ballistic Fragmentation, Class 1, which is the US Military Combat Eye Protection System Performance Specification for eyewear.