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." (ES)
English reference (ES): Vol. 4, Book 25, Hadith 2932 (ES)
Arabic reference (ES): Book 25, Hadith 3044 (ES)