Hydrapak UltraFlask - Collapsible Soft Flask Water Bottle for Hydration Pack
- HYDRATION VEST COMPATIBLE - Fits easily in most hydration vest, belt or pack pockets. Provides bounce-free stability and a flexible flask shoulder to prevent chafing.
- COLLAPSIBLE FLASK- Soft material conforms to any pocket, and shrinks as you drink to reduce movement and pack away easily when empty.
- ULTRALIGHT HYDRATION - Makes a great hydration addition or replacement for distance or trail running.
- DURABLE - Made of abrasive-resistant TPU, high-flow bite valve auto-seals after each sip, eliminating annoying drips.
- 100% BPA & PVC FREE - No weird taste, and no unnecessary or harmful chemicals.
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