Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) says: "Whoever turns away from wiping over the leather socks has turned away from the Sunnah of Sayyiduna Muhammad (peace and blessings be upon him)."
Al-Tabarani recorded it in al-Mu'jam al-Kabir; its chain contains a narrator, Yusuf bin Atiyyah, who has been accused of lying.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الطهارة / 1371