Giro Contour RS Goggles The Giro Contour RS Goggles bring the premium optics and expansive visibility of the Contour into a reduced-size frame designed for slightly smaller faces. Expansion View Technology+ (EXV+) combines a frameless design with a proprietary lens curvature to maximize peripheral vision, while toric VIVID lenses with Optics by ZEISSA(R) enhance contrast and terrain definition with precise optical clarity. EVAK Vent Technology and an anti-fog lens coating help maintain clear vision throughout the day. Two VIVID ZEISSA(R) lenses-one for sun/all conditions and one for low light-are included for changing conditions. Summary Fit Profile Medium Fit - Designed for Slightly Smaller Faces Lens Shape Toric Lens Technology VIVID Lens with Optics by ZEISSA(R) Lens Change System Interchangeable Lens Design Anti-Fog Anti-Fog Lens Coating Ventilation EVAK Vent Technology Field of View Expansion View Technology+ (EXV+) Face Foam Triple-Layer Face Foam with Microfleece Facing Helmet Compatibility Yes - Seamless Compatibility with Giro Helmets OTG Yes - OTG Friendly Bonus Lens Yes - Sun/All-Conditions and Low-Light VIVID ZEISSA(R) Lenses Included Warranty 1 Year