Actually they do, the signs are just not clear by today’s standards. A Muslim man is forbidden from wearing silk, gold, and pants or other clothing that drags on the ground. He must cover himself from navel to the knee. His hair should not be in a style worn by women. Also, a Muslim man should wear a beard. It is also common for a Muslim man to wear a hat, especially the style known as a kufi, though it is not required.