Sunan an-Nasa'i 5061
سنن النسائي#5061SahihIt was narrated that Anas said:"The hair of the Messenger of Allah [SAW] came halfway down his ears
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 48:22