Stay hydrated with collapsible handheld water bottle.
- 18oz / 535 mL BPA-FREE Insulated Soft Flask with bite valve
- The rigid ExoSpine™ for superior hand feel and support for the soft flask
- Ergo-designed hand strap provides grip-free comfort, and maximizes running efficiency
- Soft flask can be easily removed from sleeve, and used in NATHAN hydration vest pockets
- Breathable wicking mesh under hand position provides superior grip
- Small stash pockets for gels or a key