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 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 glasses secure and resist sweat. An elastic retainer strap or foam gasket insert can be attached to the temples. They offer high-velocity impact protection and ballistic fragmentation protection, which is the U.S. Military Combat Eye Protection System Performance Specification for eyewear.Note: This is a non-returnable item.