Take handheld hydration to the next level of comfort and efficiency with this grip-free, ergonomic soft flask. The patented ExoSpine means the soft flask feels natural in your hand, even as the fluid level decreases.
- 12 oz / 355 mL soft flask with locking cap and bite valve keeps liquids from escaping
- Integrated ExoSpineTM creates superior hand feel and support for the soft flask
- Ergo-designed hand-strap provides grip-free comfort, and maximizes running efficiency
- Hand strap is removable, allowing soft flask to be used with Nathan vests
- Expandable stash pocket for nutrition and other small items