Dedicated Anti-Sloshing hydration bladder compartment with hook & loop secure strap for holding bladder in place and tube channel port.Insulated Cooler Fabric lining that keeps liquid cold for 30% longer.Large front compartment for storing extra gear and accessories.Upper zippered felt-lined electronics pocket for protection.Expandable front storage pocket for helmet or large gear.Dual compression straps to keep items secure.Two expandable side mesh pockets for quick access storage.Ergonomic padded back with directional air flow.Multi-Adjust harness system designed for easy maneuverability.70oz./2L bladder – custom mPE/EVA film, naturally anti-microbial, BPA free, zero taste, and odor-free. Features a top fill closure and anti-slosh stabilizing handle for easy fill and cleaning.Dimensions: 16.25" H x 10" W x 5" D Capacity: 485 cu.in./8 L (includes bladder) Weight: 1.75LB./793G. (excludes bladder).Fabric: 150D Mini honeycomb rip stop with TPE backing & 420HD Oxford nylon with PU backing.