What are the delivery costs?
We offer Free UK Mainland Delivery on all orders over £20. Products shipped to outlying UK regions are excluded from free shipping.
Standard delivery is normally 2 - 5 working days.
Please view our delivery page for full information on UK and international delivery costs.
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 you’re 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.
Occasionally, without notice, manufacturers change product design and/or specifications.
Hydration Included
From handhelds to vestpacks, you'll stay hydrated whether you're training or running unsupported ultras.
Speed & Stability
Designed 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 Access
Smart pocketing keeps the essentials, like water, gels, whistle and phone, accessible while on the trail.
Key Features:
- Two extra-large stretch mesh soft flask/food harness pockets
- Two lower stretch mesh food/supplement harness pockets
- Vertical zippered harness slash pocket for valuables or phone
- Hydration sleeve with direct-zip access and hose path for easy loading
- 2x Hydraulics 500ml Soft Flasks included
- Front panel bungee storage
- Stretch mesh front pocket for quickly stashing extra gear
- Snap-in adjustable/removable dual chest straps for customized stability
- Trekking pole/ice axe attachment
- Tuckaway safety whistle
- Two open stretch mesh side panel pockets
Occasionally, without notice, manufacturers change product design and/or specifications.
