The ultra-lightweight WX Sierra is the perfect blend of protection and contemporary style. Equipped with impact-resistant lenses and removable side shields that provide ANSI Z87.1 level protection. The WX Sierra comes packed with several features that enhance all-day comfort and performance, such as dual-injected rubber temple tips, rubber molded nose pads, and built-in lens ventilation to help prevent fogging.Protect your eyesEnjoy worry-free outdoor adventures with 100% UVA/UVB protection, safeguarding your eyes from harmful rays wherever you go.All-Day ComfortFeel the difference of lightweight frames, crafted to stay comfortable during long hours on the job or at play.Prescription ReadyPerfectly tailored to you: Our prescription-ready lenses combine style with the clarity you need for every moment.FeaturesActive 6 SeriesA flatter 6-base lens profilePermanent and Removable Side ShieldsEasily snap into place to meet ANSI Z87.1 Safety StandardsShatterproof Selenite Polycarbonate LensesUnmatched durability and impact resistanceDual-Injected Rubber TemplesEnsure these frames stay putTriloid Nylon FrameThe toughest non-metal material available