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100 oz. / 3 Liter Hydration System

100 oz. / 3 Liter Hydration System

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Free domestic shipping on orders over $199

Quantity must be 1 or more

Our backpacks are ready to accommodate our top-of-the-line hydration systems. You'll find that they have dedicated bladder pockets, louvered tube portals, and tube-friendly harnesses. We think this is the ultimate hydration bladder system. Made by Source®, our premium bladders are BPA-free, uses patented anti-bacterial technology, and Glass-Like™ liner, so that you get a product that gives great tasting drinks and long life. We've added our own specifications to make this into the hydration system that best fits our products and the things that our customers will be doing with them. Special standard features include a weave covered insulated drink tube, a lockable bike-bottle style push-pull drink valve with a dirt shield. Dual-fill options allow open-end access or use of a screw-off Nalgene size cap.

Please note: This bladder is recommended for all Eberlestock packs, with the following exceptions and caveats: It does not fit the X1 series packs. It fits in the main outboard pockets of the Phantom and Halftrack, but not in the narrow sleeve with the hydration hooks.


  • Weight: 10 oz

Customer Reviews

Based on 11 reviews

The Eberlestock hydration bladder is very well designed and made. Another winner!

Just got them

I ordered two and fiddled with one just to understand it, as this is my first bladder (not including the one inside of me). Instructions would have been nice but I'm sure anyone can figure it out. I bought these for my Eberlestock Halftrack and am looking forward to putting them to use. I've read that the weight distribution can be an issue, but I'll probably just alternate between the two.

Hydration Sytem

Great system. I’m a loyal Eberlestock supporter. Great packs! Thank you!


100 oz. / 3 Liter Hydration System

Great Quality

Haven’t had a chance to actually use, but looks and feels like it’s better quality than any of the other hydration system I own.