Yahya related to me from Malik from Nafi that Abdullah ibn Umar used to say that a man in ihram should not veil anything above his chin .
أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ كَانَ يَقُولُ مَا فَوْقَ الذَّقَنِ مِنَ الرَّأْسِ فَلاَ يُخَمِّرْهُ الْمُحْرِمُ