Check your zippers and buckle your boots. It's time to drop in. . You can only determine your line if you can see where it's going. Putting on the Smith I/O MAG™ XL goggles is like flipping a switch from normal to extra widescreen. ChromaPop™ lens technology enhances colour and contrast so you can see the terrain in front of you as clearly as possible. The quick and easy MAG™ lens change system means you always have the right lens tint for the conditions.ChromaPop™ Sun Black Gold MirrorThe more you see, the more you experience. Smith's superior ChromoPop™ technology enhances the clarity of natural colours, allowing you to see more detail without straining your eyes.VLT 13 %ChromaPop™ Storm Blue Sensor Mirror This lens is made to bring out the best in an area when the storm hits and the sun hides behind thick clouds. It optimises contrast even on the worst days, so you can stay out longer.VLT 55 %