The classic™ Goggle has an extra wide flange for a snug and comfortable fit. Indirect ventilation doesn"t allow contaminants in. The molded polycarbonate lens is hard coated and distortion-free. The classic™ fits over most prescription glasses. It's also available in a hooded configuration for added splash protection with uvextreme® AF coating on the inside and outside of the lens to prevent fogging, scratching, static and UV radiation. Meets ANSI Z87.1 and CSA 294.3-1992 Standards. Made in USA.