The Smith 4D MAG™ Low Bridge Snow Goggles raise 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™. Additionally, Smith has evolved Smith MAG™ by integrating the dual locking mechanisms into the goggle frame outriggers to make a quick and easy lens change system. The Smith 4D MAG™ Asia Fit Snow Goggles with BirdsEye Vision™ featuring ChromaPop™ lens technology will enable you to see even more detail as you take on untracked territory.