The ESS Crowbar Tactical Ballistic Shooting Glasses deliver the protection and clarity you need. 2.2mm high-impact polycarbonate lenses protect against 100% of UVA and UVB rays. Plus, ToughZone technology minimizes scratches, so you can always see with unmatched clarity, while ESSOPTICS ensure distortion-free optical precision throughout the entire field of view. Frameless bottoms provide an increased field of view, and thin temple arms provide a comfortable fit. Crowbar Lens Gate enables quick and easy lens exchange. Compatible with hats, helmets, hearing protection and communication gear. Meets U.S. Mil-spec MIL-PRF 32432, ANSI Z87.1-2010, OSHA CE EN 166 standards. Includes Crowbar frames, one set of Clear lenses, one set of Smoke Gray lenses, one set of Mirrored Copper lenses, zippered hard case, elastic retention strap and cleaning cloth. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.