Enza Costa Sweater Rib Split Sleeve Fitted Turtleneck in Taupe. - size M (also in L) Enza Costa Sweater Rib Split Sleeve Fitted Turtleneck in Taupe. - size M (also in L) 48% viscose 48% poly 4% spandex. Hand wash cold. Foldover neckline. Split cuffs. Rib knit fabric. Made in USA. ENZA-WK144. SKR3605. 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.