The ZShield is a knitted protective face mask that helps reduce facial contamination. The mask is designed to be super light， comfortable and is infused with Zinc. ZShield's ZinX yarn helps with odor reduction and moisture wicking. The mask is uniquely constructed with ZShield’s ZFeel technology which provides stretch and fit around the face， non-irritating elastic-free comfort-stretch ear bands， resulting in hours of comfort and support.