Best fabrics for sweatbands would probably be cottons. Terry cloth or microfiber. I'd go to a local fabric store and buy a few yards of terry cloth. It's pretty cheap. Then, make you a dozen or so sweatbands old '60's style. Cut them in strips and tie them in the back. Or, you could go all out an buy a grommet punch kit and put a couple of holes at both ends of the strip and lace it with shoe strings or leather. You should be able to find a yard of terry cloth for less than$8. Lots of sweat bands in there.