These Goggles are made of a soft vinyl frame with a polycarbonate lens. The flexible frame molds comfortably to the face for a secure fit. The scratch-resistant, polycarbonate lens is clear. The goggles allow room for most prescription glasses and the adjustable headband provides a custom fit for any wearer. The vent configurations in the frame allows airflow for cooling. ANSI approved. Z87.1 1989.