These high quality chemical goggles protect against all types of chemical, liquid and metal splash as well as coarse dust. Ideal for laboratory work, chemical handling, and stone dressing. Can be worn comfortably with prescription glasses or alone. Indirect venting permits proper air circulation while protecting against chemical or dust entry. • Grade A polycarbonate lens resists impact at extreme temperatures, including molten metal splash • Indirect ventilation provides air movement as well as splash and dust protection • Clear, anti-fog lens offers high visibility • Medium impact rated lens (according to EN 166 (B)) • Soft touch frame and adjustable strap provide extreme comfort and a custom fit.