وَعَن ابنِ عبَّاسٍ
قَالَ: مِنَ السُّنَّةِ إِذَا جَلَسَ الرَّجُلُ أَنْ يَخْلَعَ نَعْلَيْهِ فَيَضَعَهُمَا بِجَنْبِهِ
Ibn Abbas said it is part of the sunna that when a man sits down he should take off his sandals and place them at his side.
Mishkat al-Masabih 4233, Book 23, Clothing, Hadith 106. 1 min read