You can only scope your line if you can see where you're going. Putting on the Smith I/O MAG goggles is like flipping the switch from regular to widescreen. Our ChromaPop(TM) lens tech boosts color and contrast, so every wind lip, landing, and tree glade is as sharp as possible. It gets our highest level of anti-fog treatment and integrates with our helmets for airflow that keeps them fog-free through all weather conditions. Whether the day dawns clear or stormy, lens swaps are a snap thanks to our quick-swap MAG lens system. Compatible only with lenses from 20/21 production season. Not compatible with lenses 19/20 or earlier.VisionSmith MAG lens change system uses magnets for quick, easy lens changesSpherical Carbonic-x lens for distortion-free optics and impact resistance5X anti-fog inner lens for advanced fog-free performanceAvailable with ChromaPop(TM) lens: ChromaPop(TM) enhances contrast and natural color to make the details popFit / IntegrationDesigned for ultimate integration with Smith helmets for maximum comfort, venting and fog-free performanceQuickFit strap adjustment system lets you find the right fit fastUltra-wide, silicone-backed strap stays putThree-layer DriWix face foam wicks moisture for a fog-free fitResponsive Fit frame adjusts to your face for a precise, comfortable fitMedium fit