The Chill-Its 6716 Hard Hat Cooling Sweatband Liner straps into hard hats to deliver four hours of cooling relief. The low-profile and lightweight liner features cooling acrylic polymers for instant cooling without bulk or slime, making it comfortable to wear with hard hats. This hard hat sweatband fits most hard hats and safety helmets, easily and securely attaching to the forehead of the suspension with three hook & loop closures. Heat-related illness continuously ranks among t