CamelBak Octane 8+ 70 oz Hydration Pack (Silver/Red) Center zip expansion for additional cargo capacity. Closed 525 ci/Open 781 ci Air Director back panel and Air Mesh harness for enhanced ventilation Stash pockets on waist belt for access to snacks and essentials on the move. Omega HydroTanium reservoir with Lifetime Warranty Stash pockets on waist belt offer easy access to snacks; 2-year warranty