With more than five million units sold, the upgraded 3S Full-Facepiece Respirator offers safety, comfort and durability. The face blank is made of a softer rubber compound and has a wide sealing frame and deeper chin stop for a snug, comfortable fit. The lens is made of impact-resistant polycarbonate and offers a wide field of vision for excellent viewing. The harness allows for quick donning and removal and achieves a pressure-free fit in combination with a protective helmet. The inner mask allows for optimal air flow and eliminates lens fogging.