Osprey Hydraulics 500ml Soft Flask

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 series trail running vestpacks and handhelds. Stock up your aid station or maximize your pack's hipbelt. BPA-free.