OverviewA revolution in frame engineering is showcased in these polarized fashion sunglasses. Bowline's frame construction technique essentially marries two frames into one. Composed of pure titanium Bowline features complementary nylon added around the lenses as visual interest for the brow bar. This frame also debuts the addition of a solid titanium nose pad for hypoallergenic benefit. WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.