VISION: Cylindrical Carbonic-x lens for clarity and impact resistance with built-in Airflow technology for active ventilation, 5X anti-fog inner lens for advanced fog-free performance, ChromaPop lenses enhance contrast and natural color to make the details pop," Smith MAG lens change system uses MAGnets for quick, easy lens changes , FIT: Medium / Large fit; Available in Low Bridge Fit, QuickFit strap adjustment system lets you find the right fit fast, Responsive Fit frame adjusts to your face for a precise, comfortable fit , INTEGRATION: Designed for ultimate integration with Smith helmets for maximum comfort, venting and fog-free performance, Three-layer DriWix face foam wicks moisture for a fog-free fit, Ultra-wide, silicone-backed strap stays put , Includes Two lenses: Bright light and low light ChromaPop performance tints, gogglesoc