Sahih Muslim
The Book of Prayers (Kitab Al-Salat)
Book Number: 004 / Hadith Number: 1131
'A'isha reported: The Apostle of Allah (may peace be upon him) prayed in a garment which had designs over it, so he (the Holy Prophet) said: Take it to Abu Jahm and bring me a plain blanket from him, because its designs have distracted me.