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Platypus Big Zip EVO 3L

The Platypus Big Zip EVO 3L is a 3L 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 3L 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): 3
  • Width (cm): 22.9
  • Length (cm): 43.7
  • Weight (Kg): 0.18

Personal Shopping - By Appointment

Would you like to try on some climbing shoes, running shoes or mountain boots for size before you make your purchase? If so, then why not book an appointment with us today! We can offer you a bespoke one-on-one shopping experience with one of our experienced staff members.