Engineered Specifically For Bespectacled Skiers And Snowboarders, The Index 2.0™ Features Sophisticated Over-The-Glasses Technology For Extra Comfort, Including A Finely Crafted Interior With Extra Volume To Better Accommodate Prescription Frames. Increased Air Volume Inside The Goggle Keeps Your Vision Crisp, Clear, And Fog Free. The Index 2.0’S Lens Also Offers Premium Clarity Thanks To Its Incorporated Vivid Technology With Optics By Zeiss®.Features:- Face Foam: Double-Layer Face Foam With Microfleece Facing- Anti-Fog CoatingHighlights:- Pressfit Lens Interchange System- Injection-Molded Cylindrical Lenses And Optional Vivid Lenses With Optics By Zeiss®- Temple Cutouts For Eyeglass Frame Arm Pieces- Seamless Compatibility With All Giro HelmetsTechnology:Anti-Fog Coating:- Every Giro Goggle Lens Features Our Anti-Fog Coating To Keep Your Vision And Riding Experience On Point.Double Layer Face Foam:- Double Face Foam Is A Two Part System That Gives You A Plush Contact Layer Against Your Face And A Durable Back Layer That Adheres To The Goggle FrameOtg Friendly:- Engineered Specifically For Bespectacled Skiers And Snowboarders, 8oggles That Are Otg (Over-The-Glasses) Feature A Finely Crafted Interior With Extra Volume To Accommodate Prescription Frames Comfortably. Increased Air Volume Inside The Gogele Keeps Your Vision Crisp, Clear, And Fog-Free.Seamless Compatibility:- For Optimal Performance Of Both Helmets And G0ggles, Giro Products Are Designed To Work Together, Ensuring A Seamless Interface Between Helmet And Goggle For An Exceptional Fit And Dependable, Worry-Free Function