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Soft hydration for fast runs
Osprey says:
Extend your range on the trail with this remarkably lightweight, durable and packable soft flask. Toting 500ml of mission-critical hydration, it's lighter and more convenient than conventional water bottles and works seamlessely with the Duro® | Dyna trail running series vestpacks or handhelds. Sold separately so you can add-on or stock up your aid station.
Our Verdict
The Osprey 2026 Hydraulics Soft Flask keeps trail hydration simple. The 500ml capacity suits running vests and handhelds, while the soft body packs down as it empties. I like the bite valve for quick drinking on the move. Best for runners wanting light, compact water carry
- Reviewed by Ultralight Outdoor Gear
Features
- Lightweight
- Bite Valve
Specifications
- Weights: g
- Capacity: 500ml
- Dimensions: 8.07hx4.33w in / 20.5hx11w cm
Material & Construction
- BPA-free