4D MAG Low Bridge Fit Smith you'll stay cool thanks to

you'll stay cool thanks to internal air channels with intake and exhaust ports that keep the air flowing

There's a time and a place to sweat the details

Spare or replacement lens for the Smith Optics Squad MTB goggle

but lift aficionados can also download SkiMaps

4D MAG Low Bridge Fit Smith you'll stay cool thanks toYou 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