It was narrated that Safwan bin 'Assal said:"The Messenger of Allah used to command us not to take off our leather socks for three days except in the case of sexual impurity, but not in the case of defecation, urine or sleep (i.e. during travel)
Hadith No. 478
Sunan Ibn Majah
Gradings:
Al-Albani:
Hasan
Muhammad Fouad Abd al-Baqi:
Hasan
Shuaib Al Arnaut:
Hasan
Zubair Ali Zai:
Isnaad Hasan