Big Zip Evo 2.0L baselayers With cutting edge Triangular Core

With cutting edge Triangular Core Matrix™ construction and ThermaCapture™ technology

Flysheet:180T polyester PU coated

4 R-value allows adventurers to enjoy backpacking and camping year round

Elasticated Arch and 3D-shaped heel cup

Hydrophobic mesh lining

Big Zip Evo 2.0L baselayers With cutting edge Triangular CoreIntroducing 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