NBD X REVOLVE Kai Midi Dress in Metallic Bronze. - size M (also in ) NBD X REVOLVE Kai Midi Dress in Metallic Bronze. - size M (also in ) 95% poly 4% elastane. Hand wash cold. Fully lined. Halter neck tie closure and adjustable shoulder straps. Front slit detail. Metallic stretch fabric. NBDR-WD866. NBDR40QS 17. For the girl who's the life of the party. For the girl who's always up for a glass of champagne. For the girl who likes to keep her closet as filled with as her social calendar, there's NBD. The young-at-heart line features dresses that every it girl covets and pieces that are sexy, flirty, fun and now.