Smith Shift MAG Sunglasses Black/Photochromic Clear to Grey 173211 yielding an exclusive performance to

yielding an exclusive performance to weight ratio for serious descents

GORE-TEX two-layer fabric with integrated stretchy materials for easy movement is windproof

~15% lighter than anything else in its performance class

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Smith Shift MAG Sunglasses Black/Photochromic Clear to Grey 173211 yielding an exclusive performance toTailored for speed enthusiasts, the Shift MAG delivers unbeatable performance benefits to cyclists and runners. From its lightweight construction to the customizable nose piece, every detail is optimized for speed. The most remarkable feature is the interchangeable lens technology, which allows for quick and smudge free lens changes with the magnetic side attachment. These Smith sunglasses include a clear lens and a ChromaPop lens that enhances color