These are multifunctional headwear tubular bandannas typically worn as face masks and neck guards for protection from the sun, wind and harmful UV rays, but can also be worn as a headband, cap, neckerchief, hair tie and more. Additionally, they can also function as non-medical grade face masks. Made of 100% seamless microfiber polyester, they are extremely lightweight and breathable, wick away moisture, and dry quickly.