Don't like changing lenses every time the weather changes? No problem, Tifosi's Podium Fototec cycling sunglasses change their tint according to light conditions, so all you have to do is ride. And with highly shatterproof lenses and Grilamid TR90 nylon frames, you also won't have to change glasses.
Item No. » TI-PODRF
Nashbar: $79.951 or more: $79.95