2 Radians Safety Goggles For Eye Protection. This is a new set of 2 Radians safety goggles. These perforated goggles provide excellent ventilation and protection against dust and flying debris. The lenses are clear optical grade polycarbonate. Each has an adjustable elastic headband for a comfortable fit. The lenses are clear allowing a maximum visible light transmission, this excellent safety lens is used for indoor applications where impact protection is required. When it comes to safety eyewear Radians is unsurpassed in selection, quality, delivery and value. All meet or exceed all ANSI Z87.1 and CSA Z94.3 requirements.