Enza Costa Rib Off Shoulder Mini Dress in Black. - size M (also in ) Enza Costa Rib Off Shoulder Mini Dress in Black. - size M (also in ) 87% viscose 10% silk 3% lycra. Partially lined. Rib knit fabric. Neckline to hem measures approx 34 in length. ENZA-WD146. SRS3026. Designer of Enza Costa, Rogue, is a Canadian born based in Los Angeles. The line consists of comfortable yet luxurious fabrics like silk, cashmere, and supima and definitely brings to the collection a sort of understated sheer elegance. A staple must-have in any wardrobe, her tees are featured on celebs like Kristen Bell and Jennifer Lopez.