Ultra Zero is an alcohol-free brew that delivers all the flavour and refreshment of customer-favourite beer, Michelob Ultra. It is a light, malty beer with hints of citrus and orchard fruit on the palate. Ultra Zero measures 0.0 % alcohol by volume and just 30 calories per 355mL can. Ultra Zero is an alcohol-free brew that delivers all the flavour and refreshment of customer-favourite beer, Michelob Ultra. It is a light, malty beer with hints of citrus and orchard fruit on the palate. Ultra Zero measures 0.0 % alcohol by volume and just 30 calories per 355mL can. 6 x 355 mL can