"MSA SAFETY WORKS" SAFETY GLASS : Glaregone series. Brown color lens. Brown color frame. Polarized, tinted lenses help reduce glare reflected off of shiny surfaces such as snow, water sand and pavement. These safety glasses also offer 99.999 percent UV protection (UV 400). Stylish, tight-wrap design and soft rubber nosebridge. Safety glasses meet the Impact Protector requirements of ANSI/ISEA Z87.1-2010 and OSHA eye protection standards.