Rugged Twill Original BriefcaseThe legendary Filson Original Briefcase is built with their signature Rugged Twill, an industrial strength fabric that resists water and wear, and features saddle grade Bridle Leather handles, strap and accents. It has a large interior compartment with two full length dividers. An adjustable, removable Bridle Leather shoulder strap adds carrying options. YKK solid brass zipper closure custom cut at Filson with storm flap for added security 2 exterior