2.2mm high-impact lenses 100% UVA/UVB protection ESSOPTICS deliver distortion-free optical precision throughout the entire field of view Rapid lens exchange The resilient, battle-hardened CDI sunglass has a long track record of saving eyes and lives in hostile situations. The ESS CDI&';s U.S. MIL SPEC high-impact lenses can be easily exchanged for quick adaptation to your environment. Its 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. The CDI&';s Lateral Exchange System makes interchanging any of the available lens colors quick and easy.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }