Platypus - Big Zip EVO LP, Hydration bag


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Platypus - Big Zip EVO LP

High quality, tasteless and comfortable bag for hydration thanks to the high flow valve.

The Big Zip EVO is the latest evolution of the bags that do not alter the taste of the water.
In this latest version, the flow of water has been increased by 50% compared to the previous generation of the Big Zip LP, making it even more efficient and appreciated by users, whether mountaineers, hikers or cyclists.
The increased flow is not the only novelty:


  • Flow increased: Compared to the previous Big Zip LP increased by 50%.
  • Faster and simpler: The new HyFLOTM self-sealing valve, the new anti-leakage closure system of the valve, and the new tube of increased diameter contribute to speed and ease of use.
  • Quick access: The coupling of the quick release tube in the upper part of the bag allows it to be connected and disconnected more easily even with the bag in the backpack.
  • No bacteria: Silver ions protect water from the onset of algae and the proliferation of bacteria.
  • Easier to fill and clean: A wider opening and the addition of a handle on the top facilitate filling and cleaning.
  • Faster drying: a semi-rigid insert allows you to keep the bag open ensuring faster drying and therefore reducing the possibility of bacteria and algae formation.
  • Pura Platy Experience: Drink pure water without unpleasant flavors, without BPA, BPS and phthalates.


1.5 LTR (50oz)2 LTR (70 oz)3 LTR (100 oz)
Weight5.6 oz / 160 g6 oz / 171 g6.5 oz / 184 g
width8.5 in / 21.6 cm8.7 in / 22.1 cm9.0 in / 22.9 cm
Length13.0 in / 33.0 cm15.0 in / 38.1 cm17.2 in / 43.5 cm
MoviePolyurethane / PolyethylenePolyurethane / PolyethylenePolyurethane / Polyethylene
Bite valve materialSiliconeSiliconeSilicone
Country of OriginMade in the USA of US and Imported MaterialsMade in the USA of US and Imported MaterialsMade in the USA of US and Imported Materials

  • Campi for Use: All mountaineering disciplines


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