2.2mm polycarbonate high-impact replacement lenses for ESS Rollbar™ sunglasses. ESS Rollbar™ replacement lenses are available in Clear, Smoke Grey, Mirrored Grey, Mirrored Copper and Hi-Def Yellow. These replacement lens kits include two ESS Rollbar™ lenses (right and left) and a protective lens pouch. The ESS Rollbar™ sunglass is sold separately. The ESS Rollbar's™ Lens Gate™ System provide rapid lens exchanges. ESS Rollbar™ lenses provide 100% UVA/UVB protection and are compliant with U.S. MIL SPEC MIL-PRF-31013 (clause 3.5.1.1), ANSI Z87.1-2010, CE and U.S. Federal OSHA. Medium fit. Visible Light Transmittance (VLT) represents the percentage of light allowed to pass through a lens. For example, a lens with a VLT of 23 admits 23% of visible (non-UV) light, filtering out the remaining 77%. The lower the VLT, the darker the lens. ESS Rollbar™ Replacement Lenses VLT's: ESS Rollbar™ Replacement Lens Color Uses: