It wasnarrated from 'Ala bin 'Abdur-Rahman that his father said:
"Isaid to Abu Sa'eed: 'Did you hear anything from the Messenger ofAllah(ﷺ) concerning the lower wrap?' He said: 'Yes. I heardthe Messengerof Allah (ﷺ) say: 'The lower wrap of the believershould come tomid-calf, but there is no sin on him if it comesbetween that pointand the ankle. But whatever is lower than theankle is in the Fire.'And he said three times: 'Allah will notlook at the one who lets hislower wrap drag out of vanity.'"
English reference: Vol. 4, Book 32, Hadith 3573
Arabic reference: Book 32, Hadith 3704