purple butterfly unisex windproof dust-proof sports face mask bandana for outdoor riding yaateeh the mask protects your face from the sun under the scorching sun. the curved design provides better protection for the ears, while the long scarf protects the neck better. keep your nose and mouth clean, avoid inhaling dust and breath, comfortable fabrics, especially breathable, quick-drying, very soft and close to the skin. in outdoor activities, wear this mask to maintain the comfort of your face and neck.<br><br>can be used as full face or hat, open balaclava, neck cap or pirate cap, ski mask, half mask. suitable for different occasions: suitable for motorcycle, cycling, mountain climbing, biking, snowboarding, camping, biking, skiing or many other outdoor activities on the neck. bring you a pleasant experience. use it as a helmet liner and there's no fog on your goggles.