Polar Bottles Session Muck Apex Water Bottle - Navy Blue 15oz. The Polar Session 15 oz Muck water bottles are compact allowing them to fit in places where a full size bottle wont. The Muckguard covers the Surge valve protecting from dirt and is easy to open. Ultralight construction make it easy to squeeze.
Surge valve maximizes flow rate and self-seals to eliminate spills and splatter
Valve pushes closed for leakproof transport
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