US Air Force Style aviators. GI Government Issued style. 52mm lenses. Bayonet temples. Chrome frame. Mirror lenses. Lens comprised of hard coating glass. Frame is composed of nickel silver. Finish: tempering, grounded, gold plating clear plastic tip. Includes black case. Extremely stylish and comfortable. Unisex. Chrome Frame/mirror lenses - 52mm pilot aviator sunglasses - w/case. Protects from UV rays. Specification: UV400.