You can only scope your line if you can see where you're going. Putting on the Smith I/O MAGgoggles is like flipping the switch from regular to widescreen. The ChromaPop lens tech boosts color and contrast so every wind lip landing and tree glade is as sharp as possible. It gets the 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.Smith MAG lens change system uses magnets for quick easy lens changes. Spherical Carbonic-x lens for distortion-free optics and impact resistance. 5X anti-fog inner lens for advanced fog-free performance.