All goggles available with fog free coating. Lenses provide 99% protection against harmful UV rays and exceed ANSI Z87.1 - 2003 High Impact requirements. G201 - Perforated, provides excellent ventilation. G204 - Chemical splash goggle that features vent caps to restrict the influx of liquids. G304 - Top shelf chemical splash goggle features a generously sized heavy duty body and lens. Special one-way vent allows air to enter while keeping liquids out. G304 & G404 - Body tinted to reduce glare. Fits comfortably over prescription spectacles.