The brand itself has confirmed the issue, saying it will work to meet high customer demand. We are working around the clock to increase supply given the rapid growth in consumer demand. White Claw has accelerated faster than anyone could have predicted, White Claw Senior VP of Marketing Sanjiv Gajiwala, via CNN Business. Sales for the hard seltzer have been rising exponentially over the past year. According to CNN Business, figures topped $327 million this past July. White Claw's popularity has been helped by the low amount of calories in its cans. The 100-calorie containers also contain very little sugar. The rise of hard seltzer has led to some beer companies entering the burgeoning market. Anheuser-Busch sells Bon & Viv spiked seltzer. Truly, another competitor of White Claw, is affiliated with Boston Beer.