CamelBak Crux 2L Water Reservoir Hydration Bladder
Product Information, Not A Review

Quick Specs
What Stands Out
What To Check
The CamelBak Crux is the reservoir that goes inside a pack: a 2L bladder, a drinking tube and a bite valve you reach without taking the pack off. This 70 oz version carries Amazon's Choice and ranks near the top of Amazon's Outdoor Backpack Reservoirs list, and it is the bladder a lot of hikers and ruckers already have in the closet.
It is built for walking with weight on your back. Stopping to dig a bottle out of a loaded ruck breaks the rhythm, so most people just skip drinking. A tube over the shoulder fixes that.
The Numbers That Matter
70 oz (2L). That is enough for a typical neighborhood or trail ruck on a warm morning. Longer Texas summer walks may call for the bigger size on the same listing.
One-hand on/off lever. This is the part that saves a wet pack. Flip it closed before you slide plates in or toss the ruck in the truck.
210 g, 38 x 6 x 19 cm. Flat and light enough that it disappears into the sleeve behind the plate pocket.
| Spec | What it decides |
|---|---|
| 70 oz (2L) | How far you walk before a refill |
| On/off lever | Whether the tube drips in the pack |
| Self-sealing bite valve | No drips on the walk |
| Handled fill port | How easy refills are at a sink or jug |
Who It Is For
The dad who rucks early, before the house wakes up, and wants to drink without stopping. It also earns a spot in the fishing or hiking daypack when the boys carry their own snacks and you carry the water. Load the pack with the 5.11 TacTec Weight Plate Sandbag or a 5.11 weight plate pair, add a stick of Liquid I.V. Sugar-Free for long hot walks, and keep Body Glide in the lid for the straps.
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The Short Version
A ruck with no water plan is a short ruck. The Crux sits in the pack sleeve, the lever keeps the tube shut while you load plates, and the same bladder moves into a hiking or fishing daypack when the kids come along. If your pack has no sleeve or port, a bottle is the simpler answer.

MIKE MANNING
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