Gunner protective eyewear, clear. lens: material: polycarbonate. color: clear. standards: en 166 - general requirements - en 170 - ultraviolet filters. stanag 4296 - eye protection for the individual soldier/ballistic protection. frame: front material: polycarbonate. temple material: polycarbonate. other details: weight: 33 g. area of use: mechanical work in enclosed spaces with good visibility conditions. plus: ballistic resistance, stanag 2920 - stanag 4296