Women are now the fastest growing demographic in fly-fishing, one of the most male-dominated outdoor sports. That has presented a host of challenges, including finding proper gear, navigating the pitfalls of social media and even developing an awareness for self-defense skills in the outdoors. Industry leaders say women are the only growing demographic in the sport, which is why they are so crucial to cultivate. Women make up about 31 percent of the 6.5 million Americans who fly-fish, according to the most recent study by the Recreational Boating & Fishing Foundation.