Model Number: NS4013-0153-18OZ
The Nathan Soft Flask w/Bite Top 18oz provides a lightweight bottle with quick access to hydration. This flask's self-sealing bite valve prevents leaking and allows for quick access to water. An integrated plastic ExoSpine™ provides additional support for easy carrying, as well as sliding in and out of hydration vests.
Features
- Easy-squeeze 18 oz / 532 ml Soft Flask
- Soft silicone bit valve is easy on your teeth and prevents leaking
- Integrated plastic ExoSpine™ adds structure and support
- Delivers a high flow rate of liquid with little effort
- BPA-free and PVC-free
- Bottle and cap are dishwasher safe on top rack
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