Inspired By Oakley’S First True Oversized Snow Goggle, Canopy, The New Flight Tracker Has A Classic, Stylized Shape, And An Oversized Full-Rim Toric Design With An Optimized Field-Of-View In All Directions. With Large, Medium, And Small Sizes, Flight Tracker Will Fit A Wide Variety Of Faces And Is Engineered To Integrate Perfectly With Most Helmets.Technologies:Prizm™ Snow:- Oakley’S Exclusive Lens Technology That’S Engineered To Help You See Contrast On The Mountain In A Variety Of Challenging Light And Snow Conditions.Care:- Oakley Lens Cleaning Solutions Are Specially Formulated And Approved For Use On The Exterior Lens Surface. Avoid Touching Or Using Cleaning Solutions On Inside/Interior Lens, It Is Coated With A Special Anti-Fog Treatment. If Necessary, Let The Interior Lens Dry And Gently Dab With A Clean Oakley Microbag. Please Read Full Goggle Care Instructions Included With Product Purchase Carefully Before Use.