Sahih Bukhari
Sales and Trade
Volume: 003 / Book Number: 034 / Hadith Number: 355
Narrated Abu Huraira:
The Prophet forbade two kinds of dressing; (one of them) is to sit with one's legs drawn up while wrapped in one garment. (The other) is to lift that garment on one's shoulders. And also forbade two kinds of sale: Al-Limas and An-Nibadh.