One Size Fits Most- The Natural length and width is 17.8in and 9.4in. High stretchable circumference is about 20 – 24in. It accommodate for most head size, suitable for both men & women, adults & kids. It’s very soft and close to your skin. No worry about sweating. Can draw sweat away from your face and dry quickly, UV-Proof, Dust-Proof, Sand-Proof, Windproof Available in various sports and outdoor activities for men and women, like cycling, motorcycling, walking, fishing, hunting, when you work out in the gym or mow lawn in the garden as well, a breathable headband wicks away moisture faster than the others. You can even wear in 12 different dress ways for your adventures and daily life. Fashion Style Face Protections Are Ideal For Dust, Smoke, Pollution, Ash, Pollen, Crafts, Gardening, Travel, Anonymity,suitable For Household,hospital,public Places,etc.A Perfect Birthday/Christmas Gift Wear it as a UV face mask to protect your face from direct sunlight. When you are going out for fishing, running or hiking, they make your face sweaty. While this neck gaiter scarf bandanna help keep your skin refresh your nose and mouth clean from breathing dust either. And you also can keep one in your hair to prevent dust build up.