I heard Allah's Apostle ﷺ saying during an expedition in which we also participated: Make a general practice of wearing sandals, for a man is riding as it were when he wears sandals.  

سَمِعْتُ النَّبِيَّ ﷺ يَقُولُ فِي غَزْوَةٍ غَزَوْنَاهَا اسْتَكْثِرُوا مِنَ النِّعَالِ فَإِنَّ الرَّجُلَ لاَ يَزَالُ رَاكِبًا مَا انْتَعَلَ