Hadith.753 - He was asked by Abd al-Rahman ibn Abi 'Abdillah about a man who becomes ritually impure (junub) in a garment and has no other garment and is unable to wash it.
Imam (as) said: "He should pray in it."
Man Lā Yaḥḍuruh al-Faqīh #151Hadith.152 - In another narration: 'A garment does not make a man ritually impure, nor does a man make a garment ritually impure.'