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 you're 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 women's specific fit for bounce-free stability and comfort and ample room for long runs requiring extra layers or gear, thoughtful and accessible storage for fuel and other small items, trekking pole storage, a Hydraulics® LT 1.5L Reservoir and soft flask compatibility this pack will please novice runners and experts alike.