The HUMVEE HMV-52B is a military Sunglasses feature gray lenses and gold, silver, black or matte silver frame. These glasses have a bayonet style. Our HUMVEE gear is modeled after equipment that is depended on in the rigors of battle. These products are designed to survive the most demanding situations while still remaining simple and easy to use. Features and Specifications: Made of high-nickel copper alloy High-frequency welding and optical plating Spring-loaded flexibility Polarized lenses with UV protection CE approved Comes with carrying case