Ever since Lance Armstrong was seen wearing the Oakley Jawbone Sunglasses, its not wonder why the popularity has grown so fast, just about every cyclist wants a pair. What is more exciting about the Oakley Jawbone is the customizing, which can leave you with a one of product. Moving forward to the technical specifications, the Oakley Jawbone Sunglasses is the first from Oakley to feature dual lens, allowing you to change out lenses, while the end result is for your eyes to adjust to the lighting. Available are polarized, Transitions Vented and plain vented. Lightweight and built strong for those accidental drops, you can purchase from the Oakley website.