Optic Nerve Blackwater Demi Polarized Sunglasses - Polished Smoke/Silver - Built to thrive in any conditions on the water, the Blackwater comes packed with features like a floating frame, rubberized contact points and polarized lenses to cut through glare. The oversized frame and lens design will help keep your eyes protected so you can focus on enjoying life outside. Features Floating frame 100% UVA / UVB Protection