Ash-Shama'il Al-Muhammadiyah, Book 10, Hadith 71 (English) ⓘ
Qataadah radiallahu anhu reports that: "I asked Anas to describe the shoe of Rasulullah Sayyidina Rasulullah sallallahu alaihe wasallam". He replied: "Each shoe had two straps"
حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، قَالَ: حَدَّثَنَا أَبُو دَاوُدَ الطَّيَالِسِيُّ، قَالَ: حَدَّثَنَا هَمَّامٌ، عَنْ، قَالَ: قُلْتُ لأَنَسِ بْنِ مَالِكٍ: كَيْفَ كَانَ نَعْلُ رَسُولِ اللهِ صلى الله عليه وسلم؟ قَالَ: لَهُمَا قِبَالانِ.
also referenced under: Book 11, Hadith 75 (In-Book)