Premium Balaclava Ski Face Mask ,Versatile Motorcycle Mask with Air Permeability Tech - Best for Outdoor/bicycling/Costume ONE SIZE FITS MOST: Can be Worn on its Own or Under any Kind of Helmet. Fabric is Hypo-Allergenic and non-irritating to the skin. 6-way Stretch. Flatlock Seams. Machine Washable. Very Quick Dry. ONE SIDE AIR PERMEABILITY: When you put on other mask, do you feel that it is difficult to breathe? After five minutes, whether or not you have a layer of fog on your glasses? Throw them away, and use our masks. Our Premium Balaclava with one-sided ventilation design, the inner layer is a wind preventing layer, outer layer distribution of porous carbon fiber technology, keep dry and breathable. A VARIETY OF PURPOSE: Six wearing styles can be used as a scarf, scarf, hat, mask, scarf and so on. Can be used in skiing, motorcycle, bicycle, boating, hunting, costume party. COMFORTABLE FABRIC:? 100% soft high quality polyester soft and comfortable, there is a certain flexibility. More fitting, easy to head movement. QUALITY GUARANTEED:We believe that you as the customer deserve every right to have a great quality product. All of our products are fulfilled by Amazon.