During the reign of King Mongkut; Rama IV (1851鈥?8); both men and women wore wore similar hairstyles; with the head shaved except for a round tuft on the crown which was spiked like a brush. Both sexes also wore mid-length trousers; or 'pha nung'; which were supported by a belt or tied in a knot. Middle and upper-class women frequently wore a sarong or 'pha sin'. Women generally wore a cloth over their left shoulder to cover their breast; leaving their right arm free. Before this time; the midriff and chest were usually left exposed with tattoos decorating the torso.