Klein Tools Professional Safety Glasses are high-quality protective eyewear that feature an anti-fog coating that wont wear off. Scratch resistant polarized lenses with UV protection block 99.9-Percent of harmful UV rays. Lightweight and flexible materials for long-term comfort with rubber nose piece and temples for face conforming fit and sure grip. Optional Hard Case (Cat. No. 60176) and Breakaway Lanyard (Cat. No. 60177) sold separately.