It is a blend of young and old lambic with Brouwerij Mort Subite, Brouwerij Lindemans, Brouwerij Oud Beersel, Hanssens Artisanaal, Brewery John Martin & Brewery Timmermans, Brouwerij De Troch, Geuzestekerij De Cam, Gueuzerie Tilquin, Lambiek Fabriek.
Boon produces some of the best sour or lambic beers in the world. Exposed to natural yeasts in the air and left to ferment in giant (and we mean giant) oak barrels, it is the most natural way to make beer and yields a depth of flavour not found in any other style.