Enza Costa Silk Cashmere Rib Long Sleeve in Light Grey. - size L (also in M) Enza Costa Silk Cashmere Rib Long Sleeve in Light Grey. - size L (also in M) Silk-cashmere blend. Imported. Hand wash recommended. Thumbhole details. Lightweight ribbed knit fabric. Raw-cut hem. Accent seam in back. ENZA-WS935. SCR3700. 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.