By Anglers for Anglers Based in Bozeman, Montana fishing isn’t a hobby or pastime – it’s a way of life. Built to Last Simms stands behind all of its products so you can fish in all conditions with confidence. Time Tested Simms is the most trusted brand in the industry, serving anglers around the world since 1980. Simms Fishing Products. The best fishing gear. Period. Durable, functional, comfortable fishing gear for every angling type and condition.