Giro Contour Goggles The Giro Contour Goggles combine a large frameless design with premium optics and an expansive field of view for clear vision across the mountain. Toric VIVID lenses with Optics by ZEISSA(R) enhance contrast and terrain definition while closely following the shape of the human eye for precise optics and increased interior air volume. Giro&';s Quick Change Magnetic-Assisted Lens System uses self-locating magnets and four locking snap pins for fast, secure lens swaps. EXV+ maximizes peripheral visibility, while EVAK Vent Technology and an anti-fog coating help maintain clarity throughout the day. Two VIVID ZEISSA(R) lenses-one for sun/all conditions and one for low light-are included. Summary Fit Profile Large Fit Lens Shape Toric Lens Technology VIVID Lens Technology with Optics by ZEISSA(R) Lens Change System Quick Change Magnetic-Assisted Lens System 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