Anti-fog Clear Window Face Mask

Anti-fog Clear Window Face Mask allows for wearer's lips to be visible through the clear window. This enables easy lip reading and making out facial expressions while wearing the mask. The anti-fog plastic window prevents trapping moisture and heat while you wear the mask. If slight fogging should occur, you can add 2 drops of anti-fog to the plastic part. Comfortable fit with adjustable cotton straps. You can wear this mask for hot summer days, sport, exercise and other outdoor activities