It wasnarrated that 'Abdullah bin 'Abbas said:
"The Prophets used toenter the Haram walking barefoot. They would circumambulate the Houseand complete all the rituals barefoot and walking." (ES)
English reference (ES): Vol. 4, Book 25, Hadith 2939 (ES)
Arabic reference (ES): Book 25, Hadith 3052 (ES)