Patagonia 49152_950 Features: -Constructed of 840-denier nylon double-coat with a polyurethane film. -Padded gear case: 200-denier polyester. -Harness pack: 3D spacer mesh. -Waterproof/corrosion-proof main zipper. -Zipper relocated to create a panel opening. -Waterproof welded pod. -Internal custom-fit padded gear case has hook-and-loop dividers. -Detachable harness transforms stormfront pack into a dry bag. -Stormfront pack harness has some crossover functionality with our pack vest. -External mesh hydration reservoir pocket. -Internal zippered mesh pocket. -3D spacer-mesh back panel wicks moisture, dries quickly and allows air circulation. -Overall dimensions: 17.5" H x 12" W x 9" D.