Silk Rib Fitted Long Sleeve Cardigan Silk Rib Fitted Long Sleeve Cardigan 87% viscose 10% silk 3% lycra. Front button closure. Back center seam detail. Slinky ribbed fabric. Made in USA. ENZA-WK125. SRS3557. Designed to transform everyday basics into luxury essentials, Enza Costa's unique brand of minimalist, modern clothing is crafted with featherweight blends of sumptuous supima cotton, cashmere and silk.