Lincoln Electric  Safety Glasses&nbsp;| Clear Lens | Anti Scratch | K3104-1 IMPACT RESISTANT  Meets ANSI Z87+ compliance testing for impact resistance. ANTI-SCRATCH  The polycarbonate lenses are coated with an anti-scratch layer for added resistance versus sharp or pointed particulate CURVED LENS PROTECTION  Each lens is designed to wraparound the eye socket for forward and peripheral protection. LIGHTWEIGHT - The high strength plastic frame and lenses weigh less than 1 oz. for all day comfort. UV PROTECTION - Polycarbonate lens provides 99% UV protection. TRUSTED BY PROFESSIONALS  These safety glasses are used by professional fabricators on a daily basis.