White Claw Surge is a variety of hard seltzer produced by White Claw Seltzer Co. . It is a stronger version of the original White Claw Hard Seltzer, with an alcohol content of 8% . The Surge variety pack includes four flavors: Blackberry, Lime, Blood Orange, and Cranberry. Each flavor has a hint of sweetness and delivers a stronger wave of refreshment. White Claw Surge is gluten-free and comes in 12oz and 16oz cans. The introduction of White Claw Surge in 2021 was a response to the growing demand for higher-alcohol hard seltzers.