Enza Costa Luxe Rib Bold Sheath Tank in Orange. - size S (also in L,M) Enza Costa Luxe Rib Bold Sheath Tank in Orange. - size S (also in L,M) 94% viscose 6% spandex. Hand wash cold. Ribbed fabric. Made in USA. ENZA-WS836. 5VR3520. 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.