The DEWALT Router Safety Glasses have a slim, lightweight frame that provides a comfortable fit. ToughCoat hard-coated lenses for tough protection against scratches. The distortion-free lenses reduce eye fatigue and are made from polycarbonate to protect against impact resistance. The rubber-tipped temples provide a secure, comfortable fit, whilst the soft rubber nosepiece offers maximum all-day comfort. Conform to EN 1661F Standards. Offer 99.9% UVA/UVB Protection.