SMITH SHIFT MAG SUNGLASSES - ALPINE GREEN ROSEGOLD MIRRORSmith Shift MAG Sunglasses Engineered for Speed and PrecisionBuilt for cyclists, runners, and anyone who lives for performance, the Smith Shift MAG sunglasses deliver speed, comfort, and clarity in every stride or ride. Featuring the innovative Smith MAG lens change system, you can swap lenses in secondsno smudges, no fussthanks to the secure magnetic connection. Each pair includes a ChromaPop lens for enhanced color and contrast, plus a clear lens