Sahih Bukhari
Dress
Volume: 007 / Book Number: 072 / Hadith Number: 697
Narrated 'Abdullah bin 'Umar:
The Prophet said, "A Muhrim should not wear a shirt, a turban, trousers, hooded cloaks, a garment touched with (perfumes) of saffron or wars, or Khuffs except if one has no sandals in which case he should cut short the Khuffs below the ankles."