Jumpsuit by Fashion Union, Done in one, V-neck, Adjustable straps, Wide leg, Tie-back closure, Backless design, Zip back, Regular fit - true to size. Fashion Union helps you overhaul your party-girl wardrobe with its standout collection. Head out-out in punch-packing dresses, bare it all in a cheeky twosie or pair it back in a slick LBD.