Prayers (Salat)
8/5. Chapter:
If someone offers Salat (prayer) wrapped in a single garment, he should cross its corners round his shoulders
Sahih Bukhari
حَدَّثَنَا أَبُو عَاصِمٍ، عَنْ مَالِكٍ، عَنْ أَبِي الزِّنَادِ، عَنْ عَبْدِ الرَّحْمَنِ الأَعْرَجِ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم " لاَ يُصَلِّي أَحَدُكُمْ فِي الثَّوْبِ الْوَاحِدِ، لَيْسَ عَلَى عَاتِقَيْهِ شَىْءٌ ".
Narrated Abu Huraira: The Prophet (ﷺ) said, "None of you should offer prayer in a single garment that does not cover the shoulders."
Reference : Sahih al-Bukhari 359In-book reference : Book 8, Hadith 11USC-MSA web (English) reference : Vol. 1, Book 8, Hadith 355