My first fly vest carried a lot of weight. It cost nearly $100—a small fortune to a 17-year-old popcorn-store clerk—but I was betting heavy on flyfishing. My parents were getting divorced, and I didn't have many high school friends at the time. Flyfishing, I hoped, would become a new passion, or at least a distraction. At the Orvis store, I inspected every vest with no specific style in mind other than I wanted one with a bunch of pockets. To be taken seriously as a fly angler, I assumed, meant you had to wear a loaded vest.