The Kristal Full Color Polycarbonate Lens Safety Glasses meet ANSI Z87.1 impact and side shield standards. They are lightweight, easy to wear and suitable for men, women, and older children. The lenses are scratch-resistant polycarbonate. They are ideal for work, school, sports, and home use and come in bright colors to make them easy to detect. Ideal for long-term safety, comfort, and good eyesight.