Skullerz LOKI Anti-Scratch & Enhanced Anti-Fog Safety Spoggles are designed to be worn as regular safety glasses or as safety goggles by removing the temples and attaching the included strap and adding the removable foam gasket for a dust-beating seal. These safety glasses feature tough anti-scratch and anti-fog 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. The durable frames bend and flex without breaking. Non-slip rubber temples keep the glasses secure and resist sweat.TESTED & APPROVEDThese impact-resistant safety glasses are tested to ANSI Z87.1+ High-Velocity Impact Protection and optical requirements. ANSI Z87.1 is the US standard for Personal Eye and Face Protection Devices and is listed on the frame. These glasses are also tested to MIL-PRF-32432 Ballistic Fragmentation, Class 1.