The kind of oak that's aged can have a big impact on the finished product. French oak barrels can add more tannic and woodsy notes to the rum, but American oak barrels are more often useall slots app listd to age Rumm Golds, adding flavors of vanilla, caramel, and spice. The rum goes through a process called the "angels' share" of oxidation and evaporation as it ages in the barrels, which further concentrates its flavors and smoothes its texture. Rumm Golds is a unique spirit in the world of spirits due to its well-rounded flavor profile and layers of subtle undertones.