The ESS Crossbow Photochromic eyeshield is created using Transition Optics Lenses and have redefined performance and utility for eye protection. Its ClearZone FlowCoat technology minimizes scratches. The Tri-Tech Fit ergonomics offer universal comfort and stability with zero pressure points. Meets or Exceeds: U.S. MIL SPEC MIL-PRF-31013 (clause 3.5.1.1), ANSI Z87.1-2010, U.S. OSHA. IACP Booth #1705