Mens Osprey Duro Pro 7 Caldera is bringing more of everything

is bringing more of everything you loved to the version 13

- Do not iron

Packable design

This mid-weight fleece makes it great on post-run or those easy days off

- Bespoke Speedboard for smooth but efficient transition from heel to toe

Mens Osprey Duro Pro 7 Caldera is bringing more of everythingThe Osprey Duro Pro 7 with Flasks is built for serious runners and racers who need ultralight performance, efficient hydration, and streamlined storage for high tempo efforts. Ideal for short to medium (20 50K) trail racing. Developed with elite athletes and optimised for racing, this ultralight running vest delivers a stable, bounce free fit that moves naturally with your body. It includes two Hydraulics 500ml soft flasks for quick, easy hydration on