Jabir bin Zayd al-Azdi جابر بن زيد الأزدي · The Book of Hajj

"The Messenger of Allah forbade the Muhrim to wear clothes dyed with saffron or Wars."

"The Messenger of Allah was asked what clothes the Muhrim may wear. He said: 'He should not wear a shirt, or a burnous, or pants, or an 'Imamah (turban, or any garment that has been touched by (dyed with) Wars or saffron, or Khuffs except for one who cannot find sandals. If he cannot find sandals, then let him cut them until they come lower than the ankles, (sahih)

a man asked the Messenger of Allah what clothes the Muhrim should wear? The Messenger of Allah said: "Do not wear shirts, or 'Imamahs, or pants, or burnouses, or Khuffs except if someone does not have sandals, in which case let him wear Khuffs, and cut them so that they come below the ankles. And do not wear any garment that has been touched by (dyed with) saffron or Wars.