وَزَادَ اَلْبُخَارِيُّ فِي"اَلْأَدَبِ اَلْمُفْرَدِ". { وَكَانَ يَلْبَسُهَا لِلْوَفْدِ وَالْجُمُعَةِ } 1 .1 - حسن. رواه البخاري في "الأدب المفرد" ص (127-128/رقم 348).
Translation
al-Bukhari added in Adab al-Mufrad
"He [the Prophet (ﷺ)] used to wear it on the visit of a delegation and on Fridays."