Double up on hydration with an insulated Crux reservoir sleeve that adds 2 liters of extra water to any pack.

In addition to keeping your water supply cool, the insulated sleeve features attachment points that make it easy to secure the UnBottle to a kayak, a larger pack, or any other gear setup.


Crux Reservoir - Includes a Crux reservoir, which delivers 20% more water per sip, with a self-sealing bite valve and ergonomic cap.

Crux On//Off Lever - Easy and intuitive, leak-proof On/Off lever. Water when you want it, none when you don't.


The brand new Crux delivers 20% more water per sip, with an ergonomic handle for easier refilling, and an on/off lever that makes it easy to prevent leaks.

External fill means you can top off the reservoir without removing it from the fabric sleeve.

Multiple attachment points make it easy to lash the UnBottle to boats, vehicles or backpacks

Easy-to-grab handle makes carrying convenient while providing a loop on which to hang the reservoir

Zippered tube access


Collection: Backpacking

Activity: Outdoors

User: Unisex

Hydration Capacity: 3L/100 fl oz (3L)

Hydration Type: Crux Reservoir with Quicklink System


Quick Link Disconnect: Yes

Gear Capacity: 0l/0 Cu in

Pack Weight: 150 g/5 oz (3L)

Dimensions: 36 X 21 X 8.5 cm / 14 X 8 X 3.3 in (2L), 46 x 23 x 7 cm / 18 x 9 x 2.7 in (3L)

Waist Belt: N/A

Number Of Exterior Pockets: 0

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