Sunan an-Nasa'i 5342
سنن النسائي#5342Sahihحَدَّثَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ أَبِي الزُّبَيْرِ، عَنْ جَابِرٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنِ اشْتِمَالِ الصَّمَّاءِ وَأَنْ يَحْتَبِيَ فِي ثَوْبٍ وَاحِدٍ .
It was narrated from Jabir that:"The Messenger of Allah [SAW] forbade Ishtimal As-Samma' and wrapping oneself in a single garment (that did not cover the private parts)
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 48:303