The durable Platypus Big Zip SL hydration system includes a reservoir, drinking tube, HyperFlow bite valve and a quick-connect fitting. This full-featured system converts any backpack into a hands-free hydration pack.
The Platypus Insulator protects your water from freezing or overheating. Insulating Cordura nylon surrounds the BPA-free Big Zip SL reservoir (included) and a sleeved drinking tube and bite valve cover further ensure all-season protection.
For more than a decade, Platypus has been a frontrunner in developing easy-to-use, modular hydration systems that fit every active lifestyle. Platypus pioneered products like lightweight, collapsible bottles, taste-free reservoirs and drinking tubes, and a no-leak bite valve with the highest flow rate on the market. Platypus tests everything they make and then backs it all up with a limited lifetime warranty. What this means for you is simple--systems that are dependable, easy to use, and flexible enough to go anywhere.
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