You can now see more than ever before. The 4D MAG Low Bridge Fit raises the bar for lens innovation with the introduction of BirdsEye Vision. This state of the art lens technology has a 25% increase of overall field of view compared to the I/O MAG. In addition, we have evolved Smith MAG by integrating the dual locking mechanisms into the goggle frame outriggers to make a quick and easy lens change system. We know that with BirdsEye Vision featuring ChromaPop™ lens technology, you’ll be able to see even more detail as you take on untracked territory. Product Details 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 Provides 100% protection against UVA / UVB 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; Low Bridge Fit for faces with a lower nose bridge and/or a wide or high cheekbone shape What's Included Includes two lenses: ChromaPop™ lens for bright light conditions and bonus ChromaPop™ lens for low light conditions Goggle hardcase Microfiber goggle bag with replacement lens sleeve