The Ergodyne Skullerz Odin Safety Glasses/Sunglasses 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 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 safety glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. for added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples of the sunglasses. These good looking safety sunglasses are great for protecting your eyes during outdoor work like construction, carpentry/woodworking or landscaping.