Price Paid: $55
Keeps my water from freezing up during long cold hikes. Also straps nicely to my kayak.
Includes a good quality bladder which has not given me any problems over the 2 years I have owned it.
Where to Buy
Here's what other sites are saying:
Platypus's Big Zip Insulator includes a deluxe Big Zip SL reservoir and their Bite Valve and Drink Tube Insulator, you'll be assured your water is just the way you like it, all year long. A rugged Cordura exterior protects your reservoir and seals up tight with a side-release buckled lid.
A brick and frozen water have a couple of things in common. They're both hard and aren't worth a lick when you're thirsty on a ski tour. And what could beat a slow, cold pull from your reservoir in the baking heat of summer? That's why Platypus made this insulated reservoir sleeve. Including a deluxe Big Zip(TM) SL reservoir and a Bite Valve and Drink Tube Insulator, you'll be assured your water is just the way you like it, all year long. A rugged Cordura(R) exterior protects your reservoir and seals up tight with a side-release buckled lid.
This versatile new hydration system provides all-season protection for your water supply Lash it to a kayak deck or a pack with theconfidence that this insulated Big Zip SL will fend off freezing temps or blazing sun for extended periods, keeping your water just the way you like it Drink tube and bite valve insulators included
Whether you're sipping near-scalding water during a desert hike or reaching for your bottle on a ski trip only to find a solid ice block, you need the Platypus Insulator. This insulated hydration pouch features a Platypus Big Zip SL reservoir with a padded insulator sleeve that keeps water from freezing or getting hot. An insulated tube and bite valve cover keeps your tube from freezing over, and attached D-rings make it easy to attach the insulator to your pack or kayak deck. And with Platypus' SlimeGuard antimicrobial treatment, your water stays fresh and tasty no matter how long it's in there.