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Platypus Big Zip EVO 1.5L

The Platypus Big Zip EVO 1.5L is a 1.5L capacity water bladder that now delivers a 50% faster flow rate, ideal for backpackers, hikers, and mountain bikers.

The latest evolution in taste-free hydration from Platypus, the Big Zip EVO 1.5L delivers a significantly higher flow rate than previous Platypus reservoirs and a host of new features, including a secure side-lock and a hand pincher grip for easy one-handed filling.


  • 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 - Instantly stops flow and offers reliable stowing.
  • Leak-proof Shut-off Valve - Offers fast, easy access—no more digging down in your pack.
  • Semi-rigid Centre 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.


  • Capacity (L): 1.5
  • Width (cm): 21.6
  • Length (cm): 33.0
  • Weight (Kg): 0.16