Remnants of leather loincloths  have been found with the remains of pre-historic man living more than 7,000  years ago. The loincloth is the simplest and probably the first undergarment  worn by human beings. It was often worn alone in warmer climates and covered by  outer garments in colder areas. Egyptians as long ago as 2, 000 B.C. used fabric  to form an undergarment over which they wore