Big Zip™ EVO Sizes:1.5L Length falls to hip

Length falls to hip

Washable quick-dry polyester webbing upper

Single-density EVA provides cushioning and comfort

fuel-sipping efficiency in all conditions

It also has room for storing a Carbon Felt pad which is useful for a variety of purposes including as a wind guard (using the L-Pins and Carbon Felt liner sold separately)

Big Zip™ EVO Sizes:1.5L Length falls to hipIntroducing 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. Secure SlideLock: Slides both directions to easily open, securely close and fill reservoir. Handy Pincher Grip: Allows for easy one handed