CamelBak Charge 10 LR 70oz Hydration Pack. The CamelBak Charge 10 LR 70oz Hydration Pack is perfect for light and fast rides that require a minimal amount of extra gear. This pack features CamelBak's 70oz Antidote Lumbar Reservoir which loads through the back of the pack for enhanced stability and off road comfort. Lumbar compression straps tighten the pack to your back for a bounce free fit and a waist belt provides even weight distribution. The 70oz reservoir allows hydration for 2 hours plus there's 500 cubic inches of cargo space to hold your tools, tubes, nutrition, and electronic devices. Its highly ventilated LV back panel and Ultra Lite 3D Mesh Independent Suspension harness ensure superb comfort and ventilation while the pack's ultra light materials mean you remain nimble and agile out on the trails.