(24) The Chapters on Jihad
كتاب الجهاد
(22) Chapter: Wearing turbans during war
(22) باب لُبْسِ الْعَمَائِمِ فِي الْحَرْبِ
Sunan Ibn Majah 2821 
Ja’far bin ‘Amr bin Huraith narrated that his father said:
“It is as if I can see the Messenger of Allah (ﷺ), wearing a black turban, with its two ends hanging between his shoulders.”
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا أَبُو أُسَامَةَ، عَنْ مُسَاوِرٍ، حَدَّثَنِي جَعْفَرُ بْنُ عَمْرِو بْنِ حُرَيْثٍ، عَنْ أَبِيهِ، قَالَ كَأَنِّي أَنْظُرُ إِلَى رَسُولِ اللَّهِ صلى الله عليه وسلم وَعَلَيْهِ عِمَامَةٌ سَوْدَاءُ قَدْ أَرْخَى طَرَفَيْهَا بَيْنَ كَتِفَيْهِ ‏.‏
Grade :  Sahih (Darussalam)
Reference : Sunan Ibn Majah 2821
In-book reference : Book 24, Hadith 69
English translation : Vol. 4, Book 24, Hadith 2821