Premium taste-free hydration reservoir with 50% faster flow rate.
Introducing the Big Zip EVO - the latest evolution in taste-free hydration from Platypus. Delivering an extremely high flow rate, self-sealing HyFlo bite valve, large drink tube, simple one-handed filling, easy cleaning, fast drying, quick access drink tube disconnect, leak-proof shutoff valve, and more, the Big Zip EVO is a top pick for hikers, backpackers, travelers and mountain bikers. The Big Zip EVO is available in 1.0L, 2.0L, 3.0L & Lumbar 2.0L.
Secure SlideLock: Slides both directions to easily open, securely close and fill reservoir. Handy Pincher Grip: Allows for easy one-handed filling. High Mount Quick-disconnect: Offers fast, easy access-no more digging down in your pack. Leak-proof Shut-off Valve: Instantly stops flow and offers reliable stowing. Semi-rigid Center Baffle: Offers low-profile support and makes for easy cleaning and drying. HyFLO Self-sealing Bite Valve: Improves flow along with new, larger 5/16" drink tube. Funk-free: Embedded Silver-ion protects clean water from mold & bacteria. Clean Taste Guarantee: All materials are certified food-grade, BPA-, BPS-, phthalate-free and taste-free, guaranteed.