Hervé Léger Cross Back Mini Dress in Cobalt Blue Retail: $890 Perfect condition, no flaws or signs of wear. Too small for me so selling here. Blue bandage knit (90% Rayon, 9% Nylon, 1% Spandex). Sheath. Sleeveless. Square neckline. Hidden center back zipper with hook-and-eye closure. 38" from shoulder to hemline. Imported. Crafted to turn heads, this Hervé Léger mini sheath dress accentuates your curves and is designed with a sexy, skin-revealing criss-cross back.