The Messenger of Allah ﷺ had sandals with two straps each.
حدثنا إسحق بن منصور أخبرنا حبان بن هلال حدثنا همام حدثنا قتادة
أن رسول الله ﷺ كان نعلاه لهما قبالان
No references are available.
[Sahih] See the previous hadith. There is also a narration on this topic from Ibn Abbas [Tirmidhi in Shamail, no. 75] and Abu Hurairah [Tirmidhi in Shamail, no. 78].