The Filson Dry Backpack – fully-waterproof protection and load-carrying comfort that’s engineered for the wettest conditions, for the long haul. Not only is the Filson Dry Backpack built to industrial standards, it’s thoughtfully designed in Filson’s Seattle headquarters for comfort and maximum functionality. The breathable back panel is padded with high-density EVA foam for carrying comfort, and the adjustable, padded shoulder straps are anatomically-curved to match the shape of your body. Built with tough 840-denier nylon tarpaulin fabric coated with thermoplastic polyurethane (TPU) Highly-flexible TPU coating The seams are radio-frequency (RF) welded Filson Dry Backpack Flame