Big Zip EVO 3L instructional book It's a tiny and compelling

It's a tiny and compelling solution and the medium size weighs less than four ounces

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Big Zip EVO 3L instructional book It's a tiny and compellingIntroducing the Big Zip EVOthe latest evolution in taste free hydration. The Big Zip EVO delivers a significantly higher flow rate than previous Platypus reservoirs and a host of new features, making it a great option for backpackers, hikers, and mountain bikers. Available in 1. 5L, 2. 0L, 3. 0L and a Lumbar 2. 0L. Features Secure SlideLock: Slides both directions to easily open, securely close and fill reservoir. Handy Pincher Grip: Allows for easy