Fits comfortably over prescription glasses Polycarbonate lens with a nylon frame helps provide durable use. 5-position ratcheted temple design helps you find a comfortable fit. Nonslip temple inserts provide additional grip. Meets ANSI Z87.1+ standards. Anti-fog coating helps provide optimal visibility. Duramass scratch-resistant coating protects against minor damage. Crews Law Over-The-Glasses Safety Glasses, Gray Frames, Clear Antifog Lenses is one of many Safety Glasses available through Office Depot. Made by Crews.