أَخْبَرَنَا قُتَيْبَةُ، عَنْ مَالِكٍ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ أَبِيهِ، عَنْ عُمَرَ بْنِ أَبِي سَلَمَةَ، أَنَّهُ رَأَى رَسُولَ اللَّهِ صلى الله عليه وسلم يُصَلِّي فِي ثَوْبٍ وَاحِدٍ فِي بَيْتِ أُمِّ سَلَمَةَ وَاضِعًا طَرَفَيْهِ عَلَى عَاتِقَيْهِ ‏.‏

Narrated Umar bin Abi Salamah: It was narrated from Umar bin Abi Salamah that he saw Messenger of Allah(PBUH)praying in a single garment in the house of Umm Salamah, putting the ends of it on his shoulders." Translation Not Available

Book Ref: Sunan An Nisai Book 9 Hadith 764
Web Ref:  Sunan An Nisai Vol 1 Book 9 Hadith 765

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