Product Overview: Classic shape with new levels of style and performance. They designed these shades to look good and fit comfortably on your face whether you’re haulin’ tail down a mountain trail or evading pursuit down Fury Road. Pro tip: forget sucking oxygen at some aid station, that's for losers and weaklings. Instead, try silver spray paint while rocking these gray and chrome shades. You may not receive the same benefits as oxygen, but you’ll be flying to Valhalla, guaranteed. Features: NO SLIP They use special grip coating to construct their frame to help eliminate slippage when sweating. NO BOUNCE Their frame is snug and light-weight, with a comfortable fit to prevent bouncing while running. ALL POLARIZED Glare-reducing, polarized lenses and UV400 protection that blocks 100% of those harmful UVA and UVB rays. NO LEOPARDS Plus, no one wearing goodr running sunglasses has ever been attacked by a leopard (as far as we know).