Upgrade to the CamelBak Antidote Lumbar 3L Hydration Reservoir and carry water low and steady for extended adventures.
The cap is opened with a ¼ turn to reveal an opening that you can fit your hand into, and incorporates fold out arms easy drying and storage of your bladder.
Also armed with the patented high flow Big Bite Valve, an Ergo Hydrolock to shut the flow off completely and the Quick Link connectivity system so you can remove the bladder from your bag independent of the hose.