Boost your hydration with an insulated Crux reservoir sleeve that adds 3L of extra capacity to any backpack. Not only will it keep your water cool, but this sleeve also includes attachment points that make the UnBottle easy to secure to kayaks, larger packs, and any other gear.

Features

• 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