Features and Benefits:Fog-Free. All Day Comfort.;Lasting Fog-Free Lenses;Comfortable Temple Arms - Extended Wear;Lens Resist Scratching;Flexible Nose Bridge for Better Fit;Yellow lenses for enhanced contrast in low light applications;ANSI Z87.1+;CSA Z94.3;Third Party Tested;Limited Lifetime Warranty;The MILWAUKEE® Fog-Free Safety Glasses are designed for all day comfort. This protective eyewear has fog-free lenses, so they stay clear in the toughest conditions with a lens coating to reduce scratching. The safety glasses have comfortable temple arms designed for extended wear. These fog-free protective glasses also have an integrated flexible nose bridge that provides more comfort. The yellow-tinted lenses make environments appear brighter, making them ideal for working in low light.