Sunan Abu Dawud
4139
Sahih+3

Narrated Abu Hurairah:The Messenger of Allah (ﷺ) as saying: When one of you puts on sandals, he should put on his right one first, and when he takes them off, he should take off the left one first ; so that the right one should be the first to be put on and the last to be taken off

SahihAl-Albani
SahihMuhammad Muhyi Al-Din Abdul Hamid