The Smith Optics 4D MAG goggle is revolutionizing the optics world of winter sports. Introducing the BirdsEye Vision, a state of the art lens technology that has a 25% increase in overall field of view from previous I/O goggles. The evolution of Smith MAG technology has been raised yet again as well, integrating the duel locking mechanism into the goggle frame outriggers. Swapping lenses is quick and easy. Add into the mix a photochromic lens, which changes color as the natural light changes, to be ready to handle whatever conditions you might find on the slopes. Medium Fit Smith MAG interchangeable system includes bright light and low light ChromaPop lenses BirdsEye Vision increases field of view by 25% compared to Smith I/O Mag QuickFit strap adjustment system with clip buckle 3-layer DriWix face foam AirEvac integration technology to reduce fogging Ultra-wide, silicone backed strap Includes goggle hardcase with microfiber bag
