The polarized Zeal Optics Kenosha Sunglasses have a copper lens to enhance contrast and depth perception in various light conditions while making greens, reds, and blues more vivid. Named after the gateway from Colorado's Front Range to South Park, Kenosha Pass rises above the plains, providing incredible views in every direction. Featuring a wide, contemporary frame made from plant-based Z-resin, combined with premium lenses to give you views of crisp color, clarity, and contrast while staying in place through all your adventures.