More Details Derek Lam 10 Crosby Bell-Sleeve Embroidered Ruffle Dress, Navy Details Derek Lam 10 Crosby dress in cotton-mesh with needle point embroidery and ruffle trim. V neckline with self-tie tassels. Bell sleeves; self-tie cuffs. Strings yoke V'd back. A-line silhouette. Relaxed fit. Pullover style. Asymmetric hem. Dry clean only. Lining, cotton/polyester. Imported.