Born and raised among the tallest peaks of the Colorado Rockies, the Duro | Dyna Family has grown to support runners all over the world in various disciplines and terrain. Whether youre looking for a podium, fastest known time or beautiful activity as the sun rises, Osprey keeps you comfortable, in rhythm and hydrated no matter the distance.Hydration IncludedFrom handhelds to vestpacks, you'll stay hydrated whether you're training or running unsupported ultras. Speed & StabilityDesigned for a close to body fit, Duro/Dyna provides bounce-free fit that's lightweight and stays out of the way of your running goals. Easy Gear AccessSmart pocketing keeps the essentials, like water, gels, whistle and phone, accessible while on the trail.Key Features:Wide webbing belt with single buckle closure Main stretch stash pocket Divided stabilising phone pocket Secured zippered key/card pocket Small stretch stash pocket Reflective graphics