When the trail’s calling and the miles start stacking up, the Osprey Duro and Dyna range is built to keep pace. Designed specifically for runners, these lightweight packs and vests offer a stable, bounce-free fit with easy access to hydration, snacks, and layers while you’re on the move. Whether you’re heading out for a quick trail loop, training for an ultra, or chasing big days in the hills, the Duro and Dyna range keeps your essentials close so you can focus on the run ahead.