At ESS, superior function comes standard. The ESS Crosshair exceeds ANSI Z87.1 optical standards and U.S. Military impact requirements while providing all-day comfort and a universal fit. This entry-level eyeshield goes well beyond the basic necessities of eye protection: with a baseline of advanced performance and superb adaptability, the Crosshair benefits from complete compatibility with the ESSCross-Series eyeshield platform.