Osprey Hydraform 3L Reservoir System
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Osprey Hydraform 3L Reservoir System

Osprey Hydraform 3L Reservoir System 5 5 4 4
It's a water bladder, it works very well with Osprey packs As an owner of several Osprey packs I thought I'd give the hydration bladder a try. My first experience of these things was a number of years ago with CamelBack and mountain bikes. Seems the tech has moved along somewhat! The bladder is easily filled, the rigid spine makes for east insertion into pack, the left or right pipe easy to fit and the magnetic sternum strap anchor works a treat. As does the bite valve,mdoesn't leak, gives you good flow to get a good drink without unnecessary sucking. You can sivewel it 90 degrees to shut off if you need to. I also found it was ok to use the bladder as a water source at camp (out of pack), simply hold upright, squeeze against your body and operate the bite valve with your fingers to fill kettle / mug or pan. 27 October 2014
good item i have read a few reviews that suggest this item leaks, i have not had anything bad to say. Its good value not great but i dont wish i had spent less. its solid front handle and back plate stop it from sinking down the bag when its half full, and works pretty well keeping the bladder cooler than abient (the water in the hose is hotter than the fresh bag water). i am not a fan of bite taps on water hoses but this one works well and i have not tried to change it so must be good. its a shame the nice peeps at osprey changed the hose size so now my old osprey (not sure the name buts its grey) hose doesnt fit but not a big deal. so all in all i am impressed its really good not perfect by any means but then nothing in this world is you get a good value for money bladder that holds 3L and is a pleasure to use. what more do you want, ps i have not crashed my bike yet (my main use is while cycling) so i dont knopw how it stands up to impacts but thats by the by 21 July 2014
richard007 Who wants to carry water bottles around with them. NOT ME. if you are like me you will appreciate this little gem. 09 June 2014
Excellent for my recent mountain trip, and cycling too! As I already had a smaller hiking rucksack alongside my 90L sack I didn't want to spend out on a purpose built all in one. This did just the job, it fitted well into the back of my pack and was excellent whilst climbing Mt Toubkal in Morocco. It was easy to fill and clean, especially with the built in handle which runs the length of the product, and was very durable - no worries about it breaking or leaking! The magnetic clip which clips onto the strap of your bag is great too as the pipe is always easily accessible even in the most extreme conditions! Overall, and fantastic product that I would most definitely recommend!! 5 stars! 26 August 2013
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The 3L HydraForm™ Reservoir provides taste and odor free hydration awell as preventing bacteria and mold.

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Price: £27.99

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Code: OSP017500

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The 3L HydraForm™ Reservoir provides taste and odor free hydration awell as preventing bacteria and mold.


  • Built to pharmaceutical biocompatibility specifications to assure taste and odor free hydration
  • Contains AquaGuard™ anti-microbial formula to prevent bacteria and mold
  • BPA and PVC free