Radians goggles Clear Polycarbonate lens Anti-fog Soft rubber frame Adjustable elastic head strap Radians goggles are great for protecting your vision while you're shooting outdoors. These goggles have a polycarbonate lens & soft rubber frame for maximum protection. A natural ventilation system makes these goggles resistant to fogging and the elastic strap is easily adjustable for a comfortable fit. Pick these up for your next shooting trip! Polycarbonate safety glasses protect your eyes from impact, but the glasses deteriorate due to scratches, light, etc., and should be replaced after 2 years.