Mishkat al-Masabih 22 Clothing كتاب اللباس 6

وعنها قَالَت: بَينا نَحْنُ جُلُوسٌ فِي بَيْتِنَا فِي حَرِّ الظَّهِيرَةِ قَالَ قَائِلٌ لِأَبِي بَكْرٍ: هَذَا رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مُقْبِلًا مُتَقَنِّعًا. رَوَاهُ البُخَارِيّ

She told that while they were seated in their house in the noonday heat someone said to Abu Bakr, “Here is God’s messenger coming shading his head.” Bukhari transmitted it.