Sunan Abi Dawud 4080
سنن أبي داود#4080SahihNarrated AbuHurayrah: The Messenger of Allah (ﷺ) forbade wearing clothes in two styles: that a man sits in a single garment with his hands round his knees and uncover his private parts towards heaven and that he wears his garment while one of his sides is uncovered, and puts the garment on his shoulders
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih Isnaad
Muhammad Muhyi Al-Din Abdul HamidSahih Isnaad
Zubair Ali ZaiSahih
In-book reference: 34:61