'Pants (are allowed) for one who cannot find an Izar, and Khuffs for one who cannot find sandals to wear in Ihram.;;
Sunan an-Nasa'i Book 24, Hadith 53
← Previous Hadith "O Messenger of Allah, what clothes should we wear when we enter Ihram?" He said: "Do not wear a shirt (or shirts), or 'Imamahs, or pants, or Khuffs unless someone Cannot find sandals, in which case he should cut them (the Khuffs) so that they come beneath the ankles or any garment that has been touched by (dyed with ) wars or saffron.

Sunan an-Nasa'i Book 24, Hadith 52 Next Hadith → 'Whoever cannot find an Izar, let him wear pants, and whoever cannot find sandals, let him wear khuffs."

Sunan an-Nasa'i Book 24, Hadith 54