Sunan Abi Dawud 4094
سنن أبي داود#4094SahihNarrated Abdullah ibn Umar: The Prophet (ﷺ) said: Hanging down is in lower garment, shirt and turban. If anyone trails any of them conceitedly, Allah will not look at him on the Day of Resurrection
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiHasan
In-book reference: 34:75