CampCo HUMVEE HMV-52B-OD Polarized Bayonette Style Military Sunglasses with Gray Lenses and Olive Drab Frame, 52mm Protect your eyes from the sun's harsh rays 52-millimeter, bayonet style frame with an olive drab finish Made of high-nickel copper alloy with high frequency welding and optical plating Grey polarized lenses reduce glare for better color, clarity and detail Comes with a 1-year limited warranty