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.Technology:Prizm’ Snow:- Oakleys Exclusive Lens Technology Chats Engineered To Help You See Contrast On The Mountain In A Variety Of Challenging Light And Snow Conditions.