Jami at Tirmidhi
1767
Narrated Abu Sa'eed:
When the Messenger of Allah (ﷺ), would wear a new garment he would mention what it was, whether an 'Imamah, a Qamis, or a Rida', then he would say: Allahumma lakal-hamdu, Anta kasawtanihi, as'aluka khairuhu wa khaira ma..
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