" لاَ تَلْبَسُوا فِي الإِحْرَامِ الْقَمِيصَ وَلاَ السَّرَاوِيلاَتِ وَلاَ الْعَمَائِمَ وَلاَ الْبَرَانِسَ وَلاَ الْخِفَافَ "
It was narrated that Ibn 'Umar said: "I heard the Prophet say; 'do not wear shirts, or pants, or 'Imamahs, or burnouses, or Khuffs while in Ihram.'''(sahih)