Petite dress by John Zack Petite, Smooth stretch fabric, Off-shoulder neck, Fluted sleeves, Ruffle hem, Relaxed fit, Machine wash, 92% Polyester, 8% Elastane, Our model wears a UK 8/EU 36/US 4, Exclusive to ASOS. Turning catwalk styles and red carpet looks into a collection of affordable dream dresses, London label John Zack channels a fun, party girl aesthetic. Now perfectly designed in petite proportions, the John Zack Petite collection is party prepped with jumpsuits, bodycon dresses and lashings of lace.