Finished that 3 mile hike, and ready for a cold beer? What, you didn’t lug a heavy, clunky cooler with you? No problem! Pat Tatera of Pat’s Backcountry Beverages has developed a process to brew beer concentrate – just add seltzer (the company also sells a $30 carbonator bottle). Now campers can turn a pouch of it into a pint of full-flavored pale ale. Hike up a glass and enjoy!