It is narrated from Sayyiduna Umar (may Allah be pleased with him) that I saw the Prophet (peace and blessings of Allah be upon him) perform ablution after experiencing a minor impurity and wipe over his leather socks.
Hadith Referenceمسند احمد / مسند الخلفاء الراشدين / 128
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد ضعيف لضعف يزيد بن أبى زياد وعاصم بن عبيدالله