Stay hydrated for miles on end with this 18-ounce version of our slosh-free, ultra-efficient and super-comfortable soft flask handheld.
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
Specs
Storage Capacity: 8.5 cu in/0.14 Liters
Weight With Bottle: 2.14 oz/60 g