Mirrored Copper 2.2mm polycarbonate high-impact replacement lenses for the CDI™ sunglass. CDI™ replacement lenses are also available Clear, Smoke Gray, Hi-Def Yellow, Mirrored Silver, Mirrored Gray, and Polarized Mirrored Gray. This kit includes two MIrrored Copper CDI™ lenses (right and left) and a protective lens pouch. The CDI™ sunglass is sold separately. The CDI's Lateral Exchange System™ allows quick lens interchange: CDI™ lenses provide 100% UVA/UVB protection and are compliant with U.S. Federal OSHA, ANSI Z87.1-2010 and U.S. MIL SPEC MIL-PRF-31013 (Clause 3.5.1.1). Medium fit.