Platypus 1.5L Big Zip EVO Reservoir

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The Platypus Big Zip™ EVO offers compact, taste-free hydration. It delivers a significantly higher flow rate than previous Platypus reservoirs and has a host features that make it a great option for backpackers, hikers, and mountain bikers. 


  • 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.
  • Pure Platy Experience: All materials are certified taste-free, BPA-free, BPS-free, and phthalate-free.
  • 8.5"w x 13"L
  • 1.5 Liter capacity

Constructed from Polyurethane film