We saw the Messenger of Allah ﷺ pray while wearing sandals and leather socks.
حدثنا علي بن محمد حدثنا يحيى بن آدم حدثنا زهير عن أبي إسحق عن علقمة
لقد رأينا رسول الله ﷺ يصلي في النعلين والخفين
No references are available.
[Its chain of transmission is daif] see hadith no. 4646 for its defect. Busiri said regarding it that Abu Ishaq Sabi became confused in his memory toward the end of his life.