The Insulator water hydration reservoir from Platypus is perfect for keeping your water from freezing in winter or boiling in the summer. The Cordura nylon sleeve fits over the supplied Big Zip SL reservoir and features buckle closure and D-rings to secure it. The hose is also insulated and a bite valve cover ensures all-season protection and hydration. The reservoir itself is treated with SlimeGuard antimicrobial treatment, ensuring bacteria-free, great tasting water.
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