SUPERLIGHT Mask is designed specifically for cycling, running and sports in which high demand for oxygen and is the lightest and most breathable mask model in our offer. It’s a single-layer mask is made of four-way stretch Pro Mesh fabric, which has a special structure that significantly increases air circulation and reduces humidity. A thin, stretchable elastic band, which does not irritate the skin, guarantees a solid fit without interfering with glasses. Can be customized with your designs, washable, reusable, and is not N90/N95 certified.