Clip-On Sweatband with Gauze - 25/bg Sold by the bag. Sweatbands make wearing your hard hat more comfortable. Since comfortable workers are generally more productive, increase your productivity by issuing sweatbands to your workers. Drybrow sweatbands are made of a ¼ ” thick, blue sponge-like material. Choose in the economy or clip version. Also for use with faceshield or welding helmet. Terrycloth Sweatbands are extra thick, and can also act as a liner for cold weather usage.