Colied up and hissing!! The Rattler is a single lens polycarbonate sport style with maximum perpiheral coverage. Sport nylon frames are lightweight, flexible. and resilient with rubberized nose pads for a comfortbable no slip fit. From team sports to extreme sports the Rattler can do it all. Neutral lens tint cools direct sun with red shift mirror or blue shift mirror for a look that is well, deadly.