None of you should offer prayer in a single garment that does not cover the shoulders." Volume 1, Book 8, Number 356: Narrated Abu Huraira: Allah's Apostle said, "Whoever prays in a single garment must cross its ends (over the shoulders)
Narrated 'Uqba bin 'Amir:
The Prophet was given a silken Farruj as a present. He wore it while praying. When he had finished his prayer, he took it off violently as if with a strong aversion to it and said, "It is not the dress of Allah-fearing pious people." -- Volume 1, Book 8, Number 372
Narrates 'Abdullah bin Shaddad:
Maimuna said, "Allah's Apostle was praying while I was in my menses, sitting beside him and sometimes his clothes would touch me during his prostration." Maimuna added, "He prayed on a Khumra (a small mat sufficient just for the face and the hands while prostrating during prayers). -- Volume 1, Book 8, Number 376
Narrated Abu Salama:
'Aisha the wife of the Prophet said, "I used to sleep in front of Allah's Apostle and my legs were opposite his Qibla and in prostration he pushed my legs and I withdrew then and when he stood, I stretched them.' 'Aisha added, "In those days the houses were without lights." -- Volume 1, Book 8, Number 379
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