" إِذَا انْقَطَعَ شِسْعُ نَعْلِ أَحَدِكُمْ فَلاَ يَمْشِ فِي نَعْلٍ وَاحِدَةٍ حَتَّى يُصْلِحَهَا "
It was narrated from Abu Hurairah that: The Prophet [SAW] said: "If the strap of the sandal of one of you breaks, let him not walk in one sandal until he fixes it."