Back to top


  • Anatomic shape of the reservoir places the weight across your lumbar region for efficient load-carrying
  • Low-profile fit with baffling helps keep water in place for increased stability and comfort on your run or ride
  • Bite valve is easy to use—just bite and sip; HydroLock™ valve shuts off water, preventing leaking during transport
  • Wide-mouth, easy-open cap makes cleaning and filling the reservoir a snap
  • Quick Link™ connection system allows easy disconnection of tube and allows integration of other CamelBak accessories (sold separately) into the Antidote Lumbar reservoir


View all CamelBak Reservoirs

REI membership


Best Use Running
Bite Valve Shut-Off Switch Yes
Wide-Mouth Opening Yes
Quick Disconnect Tubing Yes
Material(s) Polyurethane
Dimensions 19 x 8.5 x 2 inches
BPA Free Yes
Weight 6.5 ounces
Liquid Capacity (fl. oz.) 70 fluid ounces
Liquid Capacity (L) 2.1 liter