ESS Sunglasses CDI Tactical Black with Clear Smoke Gray and Mirrored Copper Lens Kit Includes: A Black CDI frame, three sets of 2.2mm high-impact lenses (Clear, Smoke Gray, and Mirrored Copper), an elastic retention strap, a micro-fiber pouch/cleaning cloth, and a zippered hard case. All ESS lenses provide 100% UVA/UVB protection. U.S. Mil Spec MIL-PRF-31013 (Clause 3.5.1.1), ANSI Z87.1-2010, CE EN 166 and U.S. Federal OSHA compliant (when not used in conjunction with Rx Inserts). High-speed low-drag frame and shatter-resistant lenses make the CDI comfortable and cool enough for downtime yet functional and rugged enough for the battlefield Medium fit