Musnad Abu Ya'la al-Mawsili 115:249

Zuhayr narrated to us, Abd al-Samad narrated to us, Hammam narrated to us, Qatadah narrated to us, that it was said to Anas: "Which clothing was most beloved to the Messenger of Allah, may Allah bless him and grant him peace?" He said: "The Hibarah (a type of Yemeni garment with stripes)."