Part of our ultra-light series, the ultrafast 500 ml is so light, you might forget you brought it. Weighing in at just over an ounce, it's optimal hydration, no matter what kind of runner you are. Its pliable material conforms to most pockets, It shrinks as you drink to minimize water movement and it can be used with or without the tube. Ultra light weight, ultra useful. -weight: 44 g/ 1. 5 oz.-dimensions: 255 mm/ 9. 9 in x 60 mm/ 2. 3 in-material: thermoplastic polyurethane; HDPE
- 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.
- 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.
