Osprey Dyna 6 Hydration Pack with Reservoir - Small/Medium - Women's Trail Running - Hydration (Reef Teal)Heading out for a long run? Not sure about the weather, or your ability to navigate and get home before dark? When you need to bring a few extra pieces of kit with you, or if youre going fast and light, the Dyna 6 accommodates just enough fuel and gear to get you there and back no matter how far there may be. With a womens specific fit for bounce free stability and comfort, and ample room for long runs requiring extra layers or gear, thoughtful and