Step back into retro glam with the X by NBD Kristina Dress. Geometric crochet lace shapes the flared silhouette, complete with front and back cut-outs that flawlessly adhere to the distinct design.. Self: 100% polyLining: 95% poly 5% elastane. Hand wash cold. Fully lined. Crochet lace fabric. Cut-out accent. Back zipper closure. XBYR-WD122. XNDR313 F17. With sexy silhouettes and daring cut-outs, X by NBD is the party girls go-to brand for the perfect dress. With lace overlay details, plunging necklines and sweet scalloped edges, X by NBD gives a modern makeover to cocktail dresses.