Enza Costa Military Rib U Neck Tank in Black. - size XS (also in M, S) Enza Costa Military Rib U Neck Tank in Black. - size XS (also in M, S) 96% cotton 4% spandex. Made in USA. Machine wash. Ribbed jersey fabric. Raw-cut hem. ENZA-WS896. MLR3358. 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.