This classic style has been re-engineered and hand-crafted using military standards to sustain a lifetime of wear and tear. Dimensions (MM): 55 - 20 - 140 Hand-Made in USA using the finest components found worldwide. Bayonet Temple Style Lifetime-warranted solder joints Adjustable silicon nose pads for customized fit AGX lenses, or American Gray lenses, are a premier lens type that offers one of the most comfortable visionexperiences available. AGX lenses have a greenishtint that allows 15% light transmission.They are designed toenhance yellow and green light while filtering out colors that are the most fatiguing tothe eyes. Mineral Crown Glass Lenses UV Protection A case, microfiber cleaning cloth, and small maintenance kit is included with your purchase