Kona Brewing Co. released Big Wave Golden Ale and Longboard Island Lager in light, easy-to-carry six- and 12-packs of 12-ounce aluminum cans for the first time. Big Wave Golden Ale is a 4.4 percent alcohol-by-volume beer with 21 international bitter units (IBUs), the company says. The 4.6 percent alcohol-by-volume Longboard Island Lager contains 18 IBUs and is fermented and aged for weeks at cold temperatures to yield its smooth flavor, the company says.