Sunan an-Nasa'i 5368
سنن النسائي#5368SahihIt was narrated that 'Amr bin Aws said:"The sandals of the Messenger of Allah [SAW] had two straps
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih Lighairihi
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 48:329