Put it into high gear with the Smith Shift Split MAG sunglasses. Their split-frame design provides an obstruction-free view of the road and trail with a lightweight feel that stays put through technical trails and full-gas descents. With ChromaPop lens tech, they ensure crisp visuals to keep you on track and charging. Interchangeable lenses let you choose the right tint, and the Smith MAG system makes for quick, fingerprint-free lens changes thanks to its simple magnetic-clip design. Fine tune your kit with additional or replacement lenses for sunny conditions, variable conditions, and cloudy conditions. Expand your view here. Vision. ChromaPop lenses enhance contrast and natural color to make the details pop. Light-sensitive, photochromic lenses adapt to changing light conditions. Smith MAG lets you change lenses quickly. Smudge and moisture-resistant coatings for easy cleaning and clear optics. Fit / Integration. Medium to large fit, large coverage. 5-base cylindrical shield lens curvature. Slight wraparound fit. Megol temples and nose pads provide non-slip grip so glasses stay put. Two-position, adjustable Megol nose pads. Frame. High impact resistant TR90 nylon frame. AutoLock hinges hold frames open for easy one-hand on and off.