Camelbak Asymetrix 20 100 Ounce Hydration Pack Features: OMEGA HydroTanium Reservoir with Lifetime Warranty, Dynamic suspension harness and articulated and ventilated semi-load bearing waist belt offers stability. Also international version includes 3L UnBottle, AirDirector back panel with AirMesh and internal frame sheet. It has a built in rain cover for all weather versatility and multi-use pocket keeps items safe and accessible. ” It is made to handle a capacity of great amount of all your camping needs and more.”