Mishkat al-Masabih 22 Clothing كتاب اللباس 32

وَعَن ركَانَة عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «فَرْقُ مَا بَيْنَنَا وَبَيْنَ الْمُشْرِكِينَ الْعَمَائِمُ عَلَى الْقَلَانِسِ» . رَوَاهُ التِّرْمِذِيُّ وَقَالَ: هَذَا حَدِيثٌ حَسَنٌ غَرِيبٌ وَإِسْنَاده لَيْسَ بالقائم

Rukana reported the Prophet as saying, “The difference between us and the polytheists is that we wear turbans over caps.” Tirmidhi transmitted it, saying this is a gharib tradition whose isnad is not reliable.