It wasnarrated from Ibn 'Umar that the Messenger of Allah (ﷺ)said:
"Whoever does not have sandals let him wear leather socks, andlethim cut them to below the ankle." (FR)
English reference (FR): Vol. 4, Book 25, Hadith 2932 (FR)
Arabic reference (FR): Book 25, Hadith 3044 (FR)