Plus-size dress by John Zack Plus, Woven fabric, High neck, Ruffle detailing, Hi-lo hem, Zip-back closure, Midi cut, Regular fit - true to size, Exclusive to ASOS. Turning catwalk styles and red-carpet looks into a collection of next-level dresses, London label John Zack preps you for the party. Fall for its plus-size range of lace, ruffle and cold-shoulder maxi styles.