Plus-size top by John Zack Plus, Surprise your monochrome palette with this, Lightweight design, Deep V-neck, Tie detail, Button placket, Stretch cuffs, Regular fit, True to size. 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.