The DV8 Offroad dust/face mask is the perfect way to breathe clear and easy while out on the trail. Acting as a filter it helps prevent?inhalation of trail dust?or blowing sand, making it an important item to have available. Made of 100% Polyester microfiber, it is?very stretchable, light weight, breathable, and machine washable for long term use. It can also be used as a neckerchief, headband, wristband, scarf, hairband, and anything else you can think of.