Musnad Abu Ya'la al-Mawsili 209:136

Abu Khaythama narrated to us, Abd al-Mu'min ibn Khalid al-Hanafi al-Khurasani narrated to us, he said: I met him in Marw, Abdullah ibn Buraydah al-Aslami narrated to us, from Umm Salamah, she said: There was no item of clothing more beloved to the Messenger of Allah, may Allah bless him and grant him peace, than the qamis (shirt).