high quality features for crystal clear vision. the i/o magâ„¢ with the smith magâ„¢ quick lens change system is designed for maximum performance: double closing mechanism, airevacâ„¢ ventilation for fog-free integration with smith helmets and a frame ideally adapted to the shape of the face. all this technology is complemented by one of smith's largest spherical lenses, which guarantees a maximum field of vision as well as fog-free vision thanks to 5xâ„¢ anti-fog technology. the i/o magâ„¢ is the result of a design concept that eliminates all unnecessary elements and focuses on the essentials: making your day on the mountain even better.chromapopâ„¢ sun blackthe perfect complement for unique, pure, sunny winter days, the grey base tint blocks glare and sun rays for optimal vision and performance.vlt 12 %chromapopâ„¢ storm blue sensor mirrormade to bring out the best in an environment when the storm is blowing in and the light is going out. optimises your contrast even on the worst days so you can stay out longer.vlt 55 %