A muhrim wearing a buttoned cloak or sheet

Hazrat Ubayy bin Ka'b was asked whether a Muhrim can tie the strings of his cloak? He replied, "No."

Hazrat Yunus bin Jubair, regarding the cloak of Ihram, states that its cords should be left untied.

Hazrat Saeed bin Jubair was asked about the chogha whether a muhrim can tie its strings. He replied: Do not tie it, there is no harm in only wearing it.

Ibn Suqah narrates that Saeed bin Jubair saw me wearing such a sheet whose buttons I had removed. Hazrat Ali (may Allah be pleased with him) inquired, "Why have you removed them?" He replied to him, "My companions said to me, 'Will you wear this in the state of Ihram?'" Hazrat Ali (may Allah be pleased with him) said, "Wearing it (in the state of Ihram) will not harm you."

Hazrat Ata says that there is no harm for a Muhrim in using such a cloak as long as its strings are not tied.

Hasan did not consider there to be any harm in it.

Hazrat Urwah wore the Ihram in a cloak-like garment whose cord was made of silk; he did not tie it.

Ibrahim was asked whether a muhrim can wear a cloak. He replied: He can wear it, but he should not tie its string.

Hazrat Saeed bin Jubair used to tie the Ihram in a patterned cloak, and (he said that) my father also used to do the same.

15306 - (And indeed) (1) my father used to do it.

Hazrat Aamir put on the ihram in a cloak but did not tie its string.

Hazrat Abu Ja'far says that there is no harm in wearing it in the state of Ihram, but its string should not be tied.