Narrated Umm Salamah, Ummul Muminin: No clothing was dearer to be Messenger of Allah ﷺ than shirt.
Explanation & Benefits
Shaykh Umar Farooq Saeedi
Benefits and Issues:
The reason for this appears to be that, compared to a cloak (chadar), a shirt (qamees) provides more covering, and unlike a cloak, there is no need to wrap it around or take special care to manage it.
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 4026