The resilient, battle-hardened CDI sunglasses has a long track record of saving eyes and lives in hostile situations. Now with high-impact, ANSI Z87.1-rated polarized lenses, the CDI offers new ways to protect your eyes from hazards and glare. The ESS CDI Polarized Mirrored Gray 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 new cam-hinge temples feature SmartTension engineering for enhanced retention and a more comfortable fit. Also, the new co-molded nose piece and full-wrap temple sleeves feature advanced no-slip rubber that provides maximum slip resistance, even when moist. The CDI Kit includes a black CDI sunglass frame, One set of 2.2mm high-impact polycarbonate Polarized Mirrored Gray lenses, elastic retention strap, black micro-fiber pouch/cleaning cloth, a black zippered hard case and An ESS sticker.