Tall jumpsuit by John Zack Tall, No need for a dress to impress, Partially lined, Plunge neck, Tie waist, Regular fit, Just select your usual size. Turning catwalk styles and red-carpet looks into a collection of fresh dresses, London label John Zack preps you for the party. John Zack Tall sees the same bodycon dresses and layers of lace lovingly lengthened for gals 5'9"/1.75cm and over, too.