wide field of view and the easiest lens change system in the smith line . the weather and light are constantly changing, and the smith squad mag snow goggles always ensure crystal clear vision. their half rim design and oversized cylindrical lens provides a wide field of vision, supported by sharp optics and our best anti-fog technology. the squad mag comes with the easiest goggle change system in the smith line so that you always enjoy perfect vision.the chromapopâ„¢ lens enhances contrast and colours so that every terrain feature can be seen clearly.chromapopâ„¢ sun black gold mirror lensthe perfect complement for unique, pure, sunny winter days, the grey base tint blocks glare and sun rays for optimal vision and performance.transmittance of visible light: 13 %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 %