Hit the trail with hydration and style when you wear Ogio’s Atlas 3L Hydration Pack. No matter how many jumps you hit, you can trust that this hydration pack sticks with you. The Atlas comes fully equipped with a 3 liter Ogio bladder made from BPA-free polyurethane film. Don’t leave home without the Atlas 3L Hydration Pack!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.Front compartment with mesh ventilation for accessories.Ergonomic padded back with directional air flow.Multi-Adjust harness system designed for easy maneuverability. Built for precision fit of all body types.100oz./3L bladder – Custom mPE/EVA film, naturally anti-microbial, BPA free, zero taste, and odor-free.Dimensions: 17.25" H x 9.5" W x 3.5" D Capacity: 305 cu.in./5L (includes bladder) Weight: 1.35LB./612g. (excludes bladder).Fabric: 150D Mini honeycomb rip stop with TPE backing & 420HD Oxford nylon with PU backing.