Air Police 4 Face Mask uses 4 layers of high-performance melt-blown fabric, which has a fantastic electrostatic charge. Our masks are soft on the skin, covering your entire nose and chin. These reusable face masks provide a smoother feel to ensure breathability all day long and won't fog your lenses. The ultra-soft ear loops with a universal fit are comfortable for ears. With a customizable nose piece, you'll fit Air Police 4 just right over your face.