Sahih Muslim #7313 · The Book of Tribulations and Portents of the Last Hour

Sahih MuslimAbu Huraira reported Allah's Messenger
Sahih Muslim · Book 54 · The Book of Tribulations and Portents of the Last Hour
Sahih Muslim · كتاب 54 · كتاب الفتن وأشراط الساعة
The Last Hour would not come until the Muslims fight with the Turks-a people whose faces would be like hammered shields wearing clothes of hair and walking (with shoes) of hair.
حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا يَعْقُوبُ، - يَعْنِي ابْنَ عَبْدِ الرَّحْمَنِ - عَنْ سُهَيْلٍ، عَنْ أَبِيهِ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏
"‏ لاَ تَقُومُ السَّاعَةُ حَتَّى يُقَاتِلَ الْمُسْلِمُونَ التُّرْكَ قَوْمًا وُجُوهُهُمْ كَالْمَجَانِّ الْمُطْرَقَةِ يَلْبَسُونَ الشَّعَرَ وَيَمْشُونَ فِي الشَّعَرِ ‏"‏ ‏.‏
Reference : Sahih Muslim 7313In-book reference : Book 54, Hadith 79