1؎: Not performing prayer in such clothes was only out of precaution, not due to impermissibility. This is why, whenever the Prophet sallallahu alayhi wa sallam had firm certainty regarding a garment that it was not impure, he would perform prayer in it, as is narrated in Sahih Muslim and other collections.
Explanation & Benefits
Shaykh Dr. Abdur Rahman Freywai
1: Not praying in such clothes was only due to precaution, not because of impermissibility. This is why, when the Prophet (sallallahu alayhi wa sallam) had firm certainty regarding a particular garment that it was not impure, he would pray in it, as is narrated in Sahih Muslim and others.
Source: Sunan al-Tirmidhi – Majlis ‘Ilmi Dar al-Da‘wah, New Delhi Edition, Page: 600