Shift MAG Color:Matte Black/ChromaPop Black Leakproof Flex Straw Cap allows

Leakproof Flex Straw Cap allows for easy one-handed sipping

and color-coordinated pieces for simple set-up

and shielded from harmful rays during long days on the water

so you don't have to expose your hands to the cold to use your phone

making it the perfect choice for the athlete who wants to go fast (or slow) and look good while doing it

Shift MAG Color:Matte Black/ChromaPop Black Leakproof Flex Straw Cap allowsGeared for speed. The Shift MAG gives cyclists and runners every performance advantage possible, from the superlight frame down to the nose piece. The coolest feature is no doubt the interchangeable lens technology. Snap the magnet on the side for quick, fingerprint free lens changes. These Smith sunglasses come with one clear lens as well as a color enhancing ChromaPop lens. Flatter than most performance eyewear, the 5 base frames stay put with a two