2.2mm thickness Compliant with U.S. Federal OSHA, ANSI Z87.1-2015 and U.S. MIL SPEC MIL-PRF-31013 (Clause 3.5.1.1) 100% UVA/UVB protection 2.2mm polycarbonate high-impact replacement lenses for the CDI sunglass. This kit includes two CDI lenses (right and left) and a protective lens pouch. The CDI sunglass is sold separately.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }