Sayyiduna Kaysan (may Allah be pleased with him) said: I saw the Prophet (peace and blessings be upon him) come out of Shi'b al-Matabikh until he reached Bi'r al-Salah. He (peace and blessings be upon him) was wrapped in a waist-wrapper, and he (peace and blessings be upon him) prayed two rak'ahs of Zuhr or Asr, crossing its two ends over to opposite sides.
Hadith Referenceالمعجم الكبير للطبراني / باب الكاف / 16485
Sayyiduna Kaysan (may Allah be pleased with him) said: I saw the Messenger of Allah (peace and blessings be upon him) praying near Bi'r al-Ulya in a single garment.
Hadith Referenceالمعجم الكبير للطبراني / باب الكاف / 16486