- Fitted Style - Hardware Detail - Deep Plunge - Long Sleeve The Concubines Corridor Deep Plunge Knit Dress is a handcrafted silhouette designed by our in house artisans. Reimagined in an exclusive limited edition print, our knit dress is a fitted style that features a deep plunging neckline that is ornamented with hardware detailing. It's finished with long sleeves that flare along the wrists.