Dr. Mustafa Khattab, the Clear Quran - Surah Al-Kahf, ayah 90

Translation of Surah Al-Kahf, ayah 90 (18:90)

حَتَّىٰٓ إِذَا بَلَغَ مَطۡلِعَ ٱلشَّمۡسِ وَجَدَهَا تَطۡلُعُ عَلَىٰ قَوۡمٖ لَّمۡ نَجۡعَل لَّهُم مِّن دُونِهَا سِتۡرٗا ٩٠
until he reached the rising ˹point˺ of the sun. He found it rising on a people for whom We had provided no shelter from it.1

Foot notes

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They either had no clothes or homes to protect them from the sun.