One Drop Tropical Super Highway Smoothie Sour Can 440mlMango, Banana, Blueberry & Milk Sugar Smoothie Sour 8. 1% Botany, NSW A true smoothie style pastry sour with milk sugar and blueberries added during fermentation, with the addition of lashings of mango, banana and apricot during canning. What you're left with is a juicy, fruity, slightly sherbety flavour bomb of a signature One Drop style of beer.