Nathan 18 oz Soft Flask running bottle

Nathan 18 oz Soft Flask sports hydration bottle with bite valve.

Nathan 532ml flow-controlled soft bottle for running.

This large capacity soft flask fits perfectly in the front pockets of the hydration vest, or as a supplement in the rear storage pocket.

Features:

Valve controls flow and prevents liquid from escaping.

Fits ALL NATHAN hydration jackets.

Capacity: 18 oz (532 ml).