500ml
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. BPA-free

360ml
When a little hydration goes a long way, reach for the remarkably lightweight, durable and packable soft flask. Offering 360ml of hydration, this convenient water flask is a great alternative to conventional water bottles and works seamlessly with Duro® | Dyna series trail running vestpacks and handhelds. Stock up your aid station or maximize your pack's hipbelt. BPA-free.