Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
nasai-kubra:9717ʿAmr b. ʿAlī > Ṣafwān b. ʿĪsá > Hishām > Muḥammad > ʿAmr b. Aws

[Machine] "The sandals of the Messenger of Allah ﷺ had two straps, the sandals of Abu Bakr had two straps, and the sandals of Umar had two straps."  

الكبرى للنسائي:٩٧١٧أَخْبَرَنَا عَمْرُو بْنُ عَلِيٍّ قَالَ حَدَّثَنَا صَفْوَانُ بْنُ عِيسَى قَالَ حَدَّثَنَا هِشَامٌ عَنْ مُحَمَّدٍ عَنْ عَمْرِو بْنِ أَوْسٍ قَالَ

«كَانَ لِنَعْلِ رَسُولِ اللهِ ﷺ قِبَالَانِ وَنَعْلِ أَبِي بَكْرٍ قِبَالَانِ وَنَعْلِ عُمَرَ قِبَالَانِ»