Sahih Bukhari
Dress
Volume: 007 / Book Number: 072 / Hadith Number: 685
Narrated 'Ali:
The Prophet asked for his Rida, put it on and set out walking. Zaid bin Haritha and I followed him till he reached the house where Harnza (bin 'Abdul Muttalib) was present and asked for permission to enter, and they gave us permission.