Hadith 8:2153
Abu Bakr narrated to us, he said: Ibn Mahdi narrated to us, from Zam'ah, from Ibn Tawus, from his father, he said: It is permissible for the one in the state of Ihram to change his garments as much as he wishes.
حدثنا أبو بكر قال حدثنا بن مهدي عن زمعة عن بن طاوس عن أبيه قال للمحرم أن يبدل من الثياب ما شاء