The original Boas feature an ultra-cool design. With their ultra-lightweight polycarbonate frames and design they are sure please even the most picky of workers. Their wraparound design fits snugly for total optical protection. They feature a 9.75-base spherical polycarbonate lens. The hard coated polycarbonate lens offers 99-Percent UV protection, meaning they absorb more than 99-Percent of harmful ultraviolet radiation. The hard coating on the lenses helps them resist scratches in abrasive environment and help to extend the lens life. These safety glasses meet the requirements of ANSI Z87.1 for high impact.