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The Big Zip™ EVO Reservoir provides premium taste-free, high-flow reservoir loaded with features for easy on-the-go hydration. It delivers a 50% increased flow rate from the previous Big Zip, making it the fastest-flowing, taste-free reservoir available to backpackers, hikers, and mountain bikers.

Bite Valve Cover
Sport Hydration Tablets
Magnetic Drink Tube Clip
Reservoir Cleaning Kit

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