Check your zippers and buckle your boots. It's time to drop in. The Smith 4D MAG brings our widest field of view and sharpest optics to give you the best possible read on the terrain, so you can nail your line every time. Add our quick and easy lens-change tech, and you've got the only goggle you need for all-conditions riding. Thanks to ChromaPop, the 4D MAG drops you into a bigger, brighter, sharper world. Fine tune your kit with additional or replacement goggle lenses for sunny conditions, variable conditions, and cloudy conditions. ChromaPop Photochromic Red Mirror Lens: Featuring a grey base while combining a rose flash outer lens with a light-activated photochromic inner lens, which adjusts to light throughout the day, makes this the highest end lens in the line. (VLT = 0%) Features: Vision: Smith MAG lens change system uses magnets for quick, easy lens changes ChromaPop lenses enhance contrast and natural color to make the details pop BirdsEye Vision clarifies not just your line, but the riders in your periphery Fit / Integration: Designed for ultimate integration with Smith helmets for maximum comfort, venting and fog-free performance QuickFit strap adjustment system lets you find the right fit fast Ultra-wide, silicone-backed strap stays put Three-layer DriWix face foam wicks moisture for a fog-free fit AirEvac ventilation system integrates with Smith helmets for fog-free lenses Medium fit; Available in Low Bridge Fit for faces with a lower nose bridge and/or a wide or high cheekbone shape Includes: Includes two lenses: ChromaPop Photochromic Red Mirror (installed) and bonus ChromaPop Storm Rose Flash for low light conditions Smith x gogglesoc lens protector Goggle hardcase Microfiber goggle bag with replacement lens sleve