The Skullerz AEGIR Safety Glasses feature an oversized blade-style design to provide superior eye protection and maximized field of vision. These protective safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. The high-strength frame is built for durability and the rubberized nose bridge and temples offer non-slip security and resist sweat for all-day comfort. To provide a custom fit, the rubber temples can be easily bent and re-bent to accommodate a variety of head shapes and fit preferences.These 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.