Carthage, Clear Lens With Black/Tan Frame Safety Glasses, Anti-Fog, Versatile Sealed Glasses Perfect For Almost Any Environment, Indirect Vented Foam Carriage Offers Maximum Dust Protection, Yet Sufficient Airflow To Prevent Fogging, Interchangeable Temples/Strap Are Included, Meets ANSI Z87.1 High Impact Requirements, CAN/CA Z94.3-07 Certified.