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Runners and cyclists in search of faster times, the Shift MAG is the performance frame you've been waiting for. This superlight 5-base-frame includes SMITH's two-position nose piece and no-slip temples, giving you a secure fit no matter how fast you're going. Featuring MAG interchangeable lens technology which enables quick, fingerprint-free lens changes, you'll be ready without missing a beat or slowing your pace. Available with one clear lens and a color-enhancing ChromaPop lens.
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