Messenger of Allah ﷺ said, "None of you should walk, wearing one shoe only; he should either put on both shoes or put on no shoes whatsoever."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ يَمْشِي أَحَدُكُمْ فِي نَعْلٍ وَاحِدَةٍ لِيُحْفِهِمَا جَمِيعًا أَوْ لِيَنْعَلْهُمَا جَمِيعًا