Activated polymers in this evaporative cooling bandana bring cooling power where you need it most. Low-profile for no-bulk wear under hard hats. 100% cotton exterior. Adjustable tie closure for a snug, comfortable fit on a variety of head sizes. Hand wash and hang in open air until completely dry. Apparel Type: Cooling Bandana; Material(s): Cotton; Polymer; Color(s): Lime; Color Family: Green.