Polar Bottles Session Muck Apex Water Bottle – Forest Green 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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