The Messenger of Allah ﷺ said, "While I was sleeping, I saw people being presented to me wearing shirts. Some reached the chest, and some fell short of that. Umar bin Khattab was presented to me wearing a shirt that he was dragging behind him."They asked, "How did you interpret that, Messenger of Allah?"He replied, "Religion."
أخبرنا محمد بن يحيى بن عبد الله قال حدثنا يعقوب بن إبراهيم بن سعد قال حدثنا أبي عن صالح بن كيسان عن ابن شهاب قال حدثني أبو أمامة بن سهل أنه سمع
قال رسول الله ﷺ بينا أنا نائم رأيت الناس يعرضون علي وعليهم قمص منها ما يبلغ الثدي ومنها ما يبلغ دون ذلك وعرض علي عمر بن الخطاب وعليه قميص يجره قال فماذا أولت ذلك يا رسول الله قال الدين
Bukhari narrated it in the Book of Faith, in the chapter on the varying levels of the people of faith in their deeds, hadith no. 23, and Muslim narrated it in the Book of the Virtues of the Companions, in the chapter on the virtues of Umar , hadith no. 2390, from the hadith of Ibrahim bin Saad, through this same chain.