COS Lyocell-Mix Asymmetric Knot Drape dress navy blue, size US 12. Details: A-line midi dress with asymmetrical hem Knot at waist with drape Short sleeves Unlined Back zip closure Lightweight Lyocell/Polyamide, no stretch Machine wash Style tags: Formal, party, cocktail, travel, wedding Excellent pre-owned condition, no stains, holes or tears. See last photo for approximate measurements. All measurements are taken with garment laid flat.