The Shift MAG gives cyclists and runners every performance advantage possible when it comes to speed. These sunglasses feature MAGTM interchangeable lens technology, which enables quick, fingerprint-free lens changes. They come with one clear lens as well as a color-enhancing ChromaPopTM lens. The superlight 5-base frame includes our two-position nose piece and no-slip temples, giving you a secure fit when you’re going your fastest.