More durable than ever and equipped with easy-to-use features, the Platypus Big Zip SL Hands Free Hydration Reservoir is the premium, taste-free Platypus hydration system. An easy-to-clean (and fill) wide mouth opening and SlideLock closure give the Big Zip a watertight seal that also functions as a carrying handle. A Quick-Disconnect hose makes refilling a snap, as you don't have to unthread your drinking tube every time. Change any backpack into a hands-free hydration solution with the Big Zip SL, available in both 2L and 3L sizes.
Purchase USD$45 or more and get free shipping. The Platypus Big Zip SL Hydration System - 34835 is available through Altrec.com.
The best hydration system I've ever owned!
I have had North Face, Camelback and Neagle and by far this beats them all. I use it for mountain biking and backpacking. This size provides me enough water for 2 days hiking even when I don't feel like I am conserving very much. The best feature in my opinion is the wide mouth. It makes it much easier to clean and it also drys thoroughly (unlike my Camelback which mildewed even using the hanger system).
Very easy to use features
The Platypus has a superb design and easy to use features. Its a hassle free hydration, I really am pleased with auto-shutoff valve when removing the hose from the bladder which makes removal of the whole system from my backpack a breeze.
Great design, plenty of volume
I like the Platypus design better than the Camelback. I got tired of switching my Camelback 2L from my day pack to my big Kelty pack for longer trips. I also wanted more volume. My boyfriend has the 2L Big Zip and loves it, so I bought this one and it's great. The best feature is the quick disconnect hose.
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