COS long black dress in size 40 is a classic and versatile piece. Made from a luxurious blend of 77% Acetate and 23% Rayon, this A-line dress features a tie neck neckline and long sleeves, making it suitable for the autumn and spring seasons. With its long length and machine washable care instructions, this dress is both stylish and easy to maintain. The timeless black colour and sleek design of this COS dress make it a must-have addition to any woman's wardrobe. Bought for a wedding (don't judge :-) but not worn.