Built for the rigors for of daily use” the HydroBak is an economical hydration solution that is ergonomic and versatile. The included 1.5L” 50oz Mil Spec Crux Reservoir delivers 25% more water.
Camelbak Hydrobak Hydration Pack, Black, Made of Cordura, 12.2″x8.3″x4.3″, Mil Spec Crux Reservoir Included, Reservoir Holds 1.5 Liters, Hydration Only 1737001000