Sunan Abi Dawud 655
سنن أبي داود#655SahihAbu Hurairah reported the Messenger of Allah (ﷺ) as saying:when any of you prays and takes off his sandals, he should not harm anyone by them. He should place them between his feet or pray with them on
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 ZaiIsnaad Sahih
In-book reference: 2:265