صحیح ابن حبان
Ibn Hibban
كتاب الطهارة
Book of Purification
باب المسح على الخفين وغيرهما - ذكر البيان بأن الأمر بالمسح على الخفين أمر ترخيص وسعة دون حتم وإيجاب
Chapter on Wiping Over Leather Socks and Others – Clarification that the command to wipe over leather socks is a concession and ease, not an obligation
1 hadith
Hadith 1322
Sayyiduna Ali (may Allah be pleased with him) narrates: The Prophet (peace and blessings of Allah be upon him) granted us the concession that a traveler may wipe over the leather socks for three days, and a resident for one day and one night.