Bismillah Walhamdulillah Was Salaatu Was Salaam ‘ala Rasulillah
Narrated Abu Huraira (Radi-Allahu ‘anhu):

Allah’s Apostle (Sallallahu ‘Alaihi Wa Sallam) said, “None of you should walk wearing one shoe only; he should either put on both shoes or put on no shoes whatsoever.”

Bukhari Vol. 7 : No. 746