Sahih al-Bukhari 5850

Arabic

حَدَّثَنَا سُلَيْمَانُ بْنُ حَرْبٍ، حَدَّثَنَا حَمَّادٌ، عَنْ سَعِيدٍ أَبِي مَسْلَمَةَ، قَالَ سَأَلْتُ أَنَسًا أَكَانَ النَّبِيُّ صلى الله عليه وسلم يُصَلِّي فِي نَعْلَيْهِ قَالَ نَعَمْ‏.‏

English translation

Narrated Sa`id Abu Maslama:I asked Anas (bin Malik), "Did the Prophet (ﷺ) use to offer the prayers with his shoes on?" He said, "Yes

Reference: Sahih al-Bukhari 5850, Book of Dress. English translation by Dr. Muhammad Muhsin Khan.