The Skullerz Odin Safety Glasses take their name from the king of the Norse Gods. These full-frame, protective work safety sunglasses feature tough scratch-resistant lenses filter 99.9 percent of harmful UVA, UVB & UVC rays to keep your eyes safe in the sun. The durable frames bend & flex without breaking. A non-slip rubber nose piece & rubber temples keep the glasses secure & resist sweat. An elastic retainer strap or foam gasket insert can be attached to the temples. They offer high-velocity impact protection & ballistic fragmentation protection, which is the U.S. Military Combat Eye Protection System Performance Specification for eyewear. Fog-Off TechnologyFog-Off Technology anti-fog coating won't wash off or wear off. Safety Glasses Style: Wraparound; Frame Color: Matte Gray; Frame Material: Nylon; Lens Material: Polycarbonate.