Commercial Description Since their invention in the 1840s, Pilsener-style beers have become the world’s most popular style. With a nod toward the original Czech tradition, Summerfest is brewed to feature the best of Bohemian nature. Crisp, golden, dry and incredibly drinkable, Summerfest has a delicate and complex malt flavor and spicy and floral hop character”the perfect warm weather beer. ABV 5% / IBU 28 Seasonal.