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