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. • Polymer-embedded cooling technology quickly activates for up to four hours of relief from the heat. • 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. • Great for outdoor recreation such as running, hiking or other activities. 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): Flames; Color Family: Multicolor.