I asked Anas b. Malik: How was the hair of Messenger of Allah ﷺ? Thereupon he said: His hair was neither very curly nor very straight, and they hung over his shoulders and earlobes.  

قُلْتُ لأَنَسِ بْنِ مَالِكٍ كَيْفَ كَانَ شَعَرُ رَسُولِ اللَّهِ ﷺ قَالَ كَانَ شَعَرًا رَجِلاً لَيْسَ بِالْجَعْدِ وَلاَ السَّبِطِ بَيْنَ أُذُنَيْهِ وَعَاتِقِهِ  

Anas reported that the hair of Messenger of Allah (may. peace be upon him) came upon his shoulders.  

أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ يَضْرِبُ شَعَرُهُ مَنْكِبَيْهِ  

Anas reported that the hair of Allah's Apostle ﷺ reached half of the earlobe.  

كَانَ شَعَرُ رَسُولِ اللَّهِ ﷺ إِلَى أَنْصَافِ أُذُنَيْهِ