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Put a little Jolt into your riding. Ryders' extra-durable Duraflex frames bend rather than break under pressure, so you can take them down the toughest trails. The optically correct photochromic lenses adapt to changing light intensity so they're perfect for long days in varying light and weather conditions. They're also shatterproof, scratch-resistant and provide 100% UV protection. Plus, they stay on your head, even during strenuous activity, thanks to hydrophilic temples and nose pieces that get tacky when you sweat