Plus-size trousers by John Zack Plus, For your Mon-Fri gig, High-rise waist, Concealed fastening, Tapered leg, Regular cut, Fits you just right. 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.