FASHION TEXTILE COLLECTION 3-Layer Filtering 1) Experimental Fabrication - Camouflage Neoprene bonded to 3-Dimensional Mesh Fabric Shell - Developed in Osaka, Japan 2) Hot Air Cotton Filter (Same material found in medical grade N95 masks) 3) Soft, Hypo-Allergenic Lining Fabric Highlights * Filter Pocket to add your own Additional Filter * Refined Shape for Best Fit * Adjustable Inset Metal Nose Bridge * Machine Washable & Reusable Protective Face Mask