Sunan Ibn Majah, Volume 4, Book 32, Hadith 3635 (DarusSalam) ⓘ
It was narrated that ‘Aishah said: “The Messenger of Allah had hair that came between his earlobes and his shoulders.”
حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ إِبْرَاهِيمَ، حَدَّثَنَا ابْنُ أَبِي فُدَيْكٍ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ أَبِي الزِّنَادِ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ، قَالَتْ كَانَ لِرَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ شَعَرٌ دُونَ الْجُمَّةِ وَفَوْقَ الْوَفْرَةِ.
also referenced under: Hadith 3635 (Reference) & Book 32, Hadith 3766 (In-Book)