Filsonbagreview.com was created as a fan site to share and discuss information on all Filson products. We are also fans of Filson products, and we hope to share this knowledge with everyone. If you are interested in bags and briefcases, then you should definitely consider Filson for your next purchase. The main reason for the popularity of the Filson bags is due to the quality of the bags. Every bag designed and manufactured by Filson comes with a lifetime warranty.