(3) باب عَقْدِ الإِزَارِ عَلَى الْقَفَا فِي الصَّلاَةِ
Narrated Muhammad bin Al Munkadir:
I saw Jabir bin `Abdullah praying in a single garment and he said that he had seen the Prophet (ﷺ) praying in a single garment.
Reference: Sahih al-Bukhari 353
In-book reference: Book 8, Hadith 5
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 8, Hadith 349