Our 30 Series frameless safety glasses have a 100% polycarbonate lens with a 10 base curve. They are scratch and impact resistant, meeting ANSI Z87.1 standard, and provide 99.99% UV protection. These safety glasses feature comfortable molded in-nose bridge and anti-slip flexible & thin temples for better fit and comfortability, even when using with earmuffs. Its wrap around design provides extra side protection.