The DP4 faceshield combines a clear anti-fog window with a flip-down IR window, providing uninterrupted protection for grinding, brazing and cutting operations. The shield curves naturally to fit facial contours - ensuring reliable protection from splash, particles and flying debris. Ratchet headgear suspension allows the user to adjust size and tighten at the turn of a knob. Rugged, polycarbonate window is impact and chemical splash resistant.