Rayon blend. Dry clean only. Rib knit fabric with metallic thread throughout. BAAN-WS37. 1H17HALN. Ultra-cool Parisian label Ba & sh was launched in 2003 by childhood friends Barbara Boccara and Sharon Krief, who wanted to produce an ideal closet of laidback luxe. Look to Ba & sh for a delicate mix of simple, chic designs that are modern and feminine.