Grab the Revo Descend N Polarized Sunglasses before your next deep sea fishing trip, beach vacation, or high country hiking excursion for glare cutting optics and performance fit. These shades use an Eco Use frame, transforming castor bean oil into nylon for a more sustainable frame that's extremely lightweight and flexible. Ensuring these bad boys stay put when you're boating around or casting a line, the frame's Motion Fit system optimizes the fit for stay put performance there's an included detachable leashbuoy to ensure these don't fly off your head or sink to the bottom of the lake, should you drop 'em. Dialing in crystal clear optics, the sunglasses' lightweight Serilium polycarbonate lens offers clear vision, especially on the water, with its high contrast polarization and anti reflective coating. In addition, the Element Shed hydrophobic coating keeps dirt, oil, and water from sticking to the lens when you're getting dirty on the trail or lake.