Sahih al-Bukhari 5903
Book 77: Dress · Narrated by Anas
Arabic
حَدَّثَنَا إِسْحَاقُ، أَخْبَرَنَا حَبَّانُ، حَدَّثَنَا هَمَّامٌ، حَدَّثَنَا قَتَادَةُ، حَدَّثَنَا أَنَسٌ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يَضْرِبُ شَعَرُهُ مَنْكِبَيْهِ.
English translation
Narrated Anas : The hair of the Prophet (ﷺ) used to hang down up to his shoulders
Reference: Sahih al-Bukhari 5903, Book of Dress. English translation by Dr. Muhammad Muhsin Khan.