Hadith 8:3093
Abu Bakr narrated to us, he said: Abd al-A’la narrated to us, from Hisham, from al-Hasan and ‘Ata’, that they both saw no harm in the *muhrim* (a person in the state of ihram) wearing a shirt as a mantle (rida’).
حدثنا أبو بكر قال نا عبد الأعلى عن هشام عن الحسن وعطاء أنهما لم يريا بأسا أن يرتدي المحرم بالقميص