Hydration kit with an extra-wide opening allowing rapid filling from all sorts of water sources.
Introducing the Big Zip™ EVO—the latest evolution in taste-free hydration. 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 disconnects, 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 1.5L, 2.0L, 3.0L & Lumbar 2.0L.
Platypus' Big Zip EVO Hydration Reservoir is their flagship hydration bladder and its packed with features, such as the large sliding clip that completely opens the top allowing you to clean the bladder inside easily. The bite valve is updated for this new model with an improved flow-rate, the tube can be disconnected at the bladder outlet so you don't have to re-thread the tube everytime you need to refill - genius.
They seem to have thought of everything, the low profile of this resevoir is due to the internal wall to hold the back and front of the bladder together - thus stopping it from becoming a tube shape.
Bladders are really good if you're not good at stopping to take a drink as they are so convenient you take lots of short mouthfulls as you go which eliminates the risk of dehydration. They aren't so good if you want to use them around camp because they don't have a proper opening, The Playpus Hoser is the alternative, less convenient in use on the trail, but the bladder takes a standard cap so you can use it as your camp water container.
- Reviewed by Ultralight Outdoor Gear
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Film: Polyurethane / Polyethylene
Bite valve material: Silicone