“My grandfather, Aws, used to perform prayer, and sometimes he would make a gesture while praying, and I would give him his sandals. He said: ‘I saw the Messenger of Allah ﷺ performing prayer in his sandals.’” (Using translation from Ibn Mājah 1037)
أَوْسٍقَالَ كَانَ جَدِّي أَوْسٌ أَحْيَانًا يُصَلِّي فَيُشِيرُ إِلَيَّ وَهُوَ فِي الصَّلَاةِ فَأُعْطِيهِ نَعْلَيْهِ وَيَقُولُ رَأَيْتُ رَسُولَ اللهِ ﷺ يُصَلِّي فِي نَعْلَيْهِ