4D MAG Low Bridge Fit Smith Note: If your goggles are

Note: If your goggles are over three years old

ChromaPop™ Polarchromic lenses combine polarization and tint-adjusting photochromic tech for light adaptability and visual clarity

Spare or replacement lens for the Smith Optics Squad MTB goggle

Select colors are available with an anti-fog coated

4D MAG Low Bridge Fit Smith Note: If your goggles areYou can now see more than ever before. The 4D MAG 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