Ideal for marathon training, trail runs, hikes, and longer efforts where extended hydration and comfort both matter.
- 18oz/532mL BPA-FREE NATHAN® x HydraPak soft flask with bite valve
- Proprietary soft flask interior rigid ExoSpine™ creates superior hand feel and support
- Ergonomically designed hand strap for grip-free comfort
- Breathable wicking mesh strap for maximum comfort
- Small expandable stash pockets for gels, keys and other small essentials
- Soft flask can be easily removed from sleeve
- Weight: 25.75oz/73g
- Storage Capacity: 15.25cu in/0.25L