(Or you know, “seltzer.”) Brewed with a cold, natural fermentation process in a similar way to traditional beer, hard seltzers are typically fermented with sugar instead of malted barley. When White Claw hard seltzer broke into the scene in 2016, it joined Bon & Viv’s Spiked Seltzer as a “healthy” low-calorie alternative to boozing that capitalized off of the millennial obsession with non-alcoholic seltzers.