Terrycloth Sweat Band is used as a hard hat accessory to provide comfort for the wearer's forehead and prevent perspiration from getting into the eye. It is effective when dampened with cold water. Terry cloth sweat band with Velcro closure. Foam sweat band with laminated terry cloth on one side and brushed nylon on the other. Universal Fit. Used with: A49 & A49R Series Hard Hats.Terry cloth sweat band with Velcro closure. 1 Each.