This is a multifunctional headwrap/balaclava that can be worn many ways. It is a stretchy tube of cotton with a little spandex for stretch that you can wear as a face mask, headband, neckerchief, neck gaiter, hair band, bandana, wristband, beanie, balaclava or hood. One size fits most adults. Just pull it on and go! Super stretchy fabric, lightweight and breathable. Great for dusty festivals, motercyclists, biking, raves and other outdoor sports.