It is narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "It is as though I am looking at Musa (peace be upon him) in this valley, in the state of ihram, wrapped in two Qatawani garments."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 10217