The Sentinel Series safety glasses have a construction that combines the best in safety, comfort, and affordability. Your vision is unobstructed by the one-piece wraparound lens, which by its snug fit allows you maximum safety. Comfort is enhanced by the flexible temples and the non-slip temple sleeves. The temple sleeve is notched on the ends to accept a clip-on breakaway cord. These glasses provide an outstanding orbital seal that protects the eyes from numerous hazards. Meets CSA Z94.3 standards.