Safety in StyleEach of our masks has a special inner lining. It is made of a material that is a soft and thin fabric, designed to be worn against the skin. This fabric is also designed to wick away moisture from the skin. This fabric is Hydrophilic and this means that it absorbs moisture and wicks it for quick evaporation. In warm weather, it helps the skin feel dry and fresh by evaporating the moisture. In cooler temperatures it keeps the skin warm and dryMASK PRO is "temperature regulating"Each of our masks has a high density thick outer layer that is fluid repellent ( Hydrophobic ) which means that it will repel droplets. This layer provides effective filtration of allergens, dust, a variety of bacteria, mold and helps protect against airborne particles resulting from sneezes and coughs.The droplet repellent layer will prevent droplets from going out as well as from coming in.SILVER TECHNOLOGYBoth the inner and the outer layer are treated with Silver based Antibacterial and Antiviral agents. This material is skin friendly and is highly resistant to washing.ST is resistant to washing and does not evaporate or migrate once applied.The use of ST, and its remarkable surface modifying characteristics, has produced a new generation of air filtration masks that can provide effective control of airborne Bacteria and Virus particles while eliminating the chance of the mask becoming a potential site for bacteria growth.The micro structures in our ST Technology triggers their powerful antibacterial and antiviral effects based on 3 distinctive inhibiting mechanisms:1-Blocking of oxygen-transporting enzymes therefore leading to impaired growth.2-Crushing of sulfide bonds and therefore structure of sulfur-containing proteins.3-Possible interference with Bacteria and virus surface protein in the membrane.