Smith 4D MAG Snow Goggles Mountain Biking Standard Plastic Lenses:

Standard Plastic Lenses:

venting and fog-free performance

High Contrast Photochromic Brown Red Lens

not on any reflections from your glasses

Standard Fit

Smith 4D MAG Snow Goggles Mountain Biking Standard Plastic Lenses:Smith 4D MAG Snow Goggles You can now see more than ever before. The Smith 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 to make a quick and easy lens change system. We know that with BirdsEye Vision