Osprey Siskin 8 Hydration Pack Obsidian Black - Osprey Hydration Packs and - 10746306
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Siskin 8 Hydration Pack Obsidian Black. A new series with the perfect feature set, style and price point that you are looking for, the Siskin is Ospreys “Goldilocks” bike hydration pack, and promises to deliver on the promise of comfort, fit and stability.