Looking for a pair of shades that fit nicely under your helmet or running hat? With Smith's Pivlock Overdrive you'll be able to focus on the road or trail ahead. For a comfy, custom fit, these super-light sunglasses sport hydrophilic nose and temple pads, plus a 2-position adjustable nose piece. Be ready for any lighting with extra lenses (included) that are easily swapped by opening the frame up. Smith's impact-resistant Carbonic TLT lenses feature an anti-scratch coating to keep them looking and functioning their best, while a moisture-shedding coating prevents streaking even when you're working hard.