Enza Costa X REVOLVE Silk Rib Front Knot Long Sleeve Bodysuit in Blue. - size M (also in S) Enza Costa X REVOLVE Silk Rib Front Knot Long Sleeve Bodysuit in Blue. - size M (also in S) 87% viscose 10% silk 3% lycra. Bottom snap button closure. Front twist knot detail. Ribbed fabric. Made in USA. ENZA-WS812. SRS7093. 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.