Caterpillar Tread Safety Glasses, Black and Yellow, Clear (CSA-TREAD-100-AF), Medium/Large

Lens Specification - three lens inclination adjustments with snap-lock ratchet mechanism, 2.2 polycarbonate material tested at Velocity to shield from impact, Crystal clear Optical class 1 lens recommended for continuous wear, fog prevention coating, hard coated both sides for resistance to scratching.Frame Chassis - flex temples with integrated cushioning system, neck cord attachment facility, upper and lower eye protection, vented for air flow and fog resistance, soft touch vented nose piece.'