Sunan Abi Dawud 4136
سنن أبي داود#4136SahihNarrated Abu Hurairah:The Messenger of Allah (ﷺ) as saying: None of you should walk with one sandal, but should wear a pair or should put off both of them
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
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (5855) Sahih Muslim (2097)
In-book reference: 34:117