4D MAG Low Bridge Fit BikeHelmets Interchangeable lenses let you choose

Interchangeable lenses let you choose the right tint

the XL model expands on the standard size for those looking for the largest possible lens

all with the option of a quick lens change anytime the conditions warrant

two crown liners and two neck rolls let you fine tune the fit

Small to medium fit

4D MAG Low Bridge Fit BikeHelmets Interchangeable lenses let you chooseYou 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