The Platypus Big Zip EVO is the latest evolution in taste-free hydration! Delivering significantly higher flow rates that previous versions with a host of new features, this is a great option for trail runners, mountain bikers, backpackers and hikers.
New self-sealing HyFLOW bite valve and new leakproof shutoff valve
Secure Sidelock: slides in both directions to easily open, securely close and allow for easy filling.
Handy Pitcher grip allows for easy one handed filling.
New, larger 5/16 in. diameter tubing contributes to the faster flow rate and ease of use
High-mount drink tube with quick-disconnect makes it fast and easy to load and unload the reservoir
Embedded silver ion protects clean water from mold and bacteria
Taste-free, BPA-free and phthalate-free
Semi-rigid baffle helps keep reservoir open, ensuring quicker drying with less cleaning