ba&sh Nero Blouse in Purple. - size 0 / XS (also in ) ba&sh Nero Blouse in Purple. - size 0 / XS (also in ) Self: 100% polyLining: 100% viscose. Hand wash cold. Fully lined. Front button closures. Side slit pockets. Pleated detail. Billowed sleeves. BAAN-WD36. 1H16NERO. 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.