Osprey Duro 6 Running Vest - Black, Size M

The Osprey Duro 6 Running Vest is a high-performance, unisex hydration vest designed for trail runners and endurance athletes. With a 6-liter capacity and a secure, body-hugging fit, it provides ample storage for essentials while minimizing bounce. The vest includes two 500ml Osprey Hydraulics soft flasks and is compatible with up to a 1.5L reservoir (sold separately). Made from bluesign® approved 320D recycled nylon with a PFC/PFAS-free DWR finish, it combines durability with environmental responsibility.

Advantages

Lightweight and breathable, the Duro 6 offers exceptional stability with dual adjustable chest straps and side compression. The Stow-on-the-Go™ trekking pole attachment allows quick access without removing the vest. Multiple pockets, including dual stretch mesh soft flask pockets, lower stretch mesh food pockets, and a zippered vertical pocket, keep gear organized. Reflective graphics enhance visibility in low light, and the integrated safety whistle adds peace of mind.

Suitable for

• Trail running and ultramarathons
• Long-distance hiking and fastpacking
• Endurance training and races

Key specifications

• Capacity: 6 Liters
• Size: Medium (M) - fits chest 95-105 cm (37-41 inches)
• Color: Black
• Material: bluesign® approved 320D recycled nylon
• Hydration: 2x Osprey Hydraulics 500ml Soft Flasks included; compatible with up to 1.5L reservoir
• Pockets: Dual extra-large stretch mesh soft flask pockets, lower stretch mesh food pockets, zippered vertical pocket, dual-access side pockets, main zippered compartment
• Features: Stow-on-the-Go™ trekking pole attachment, dual adjustable/removable chest straps, side compression, integrated safety whistle, reflective graphics
• Gender: Unisex
• DWR Treatment: PFC/PFAS-free DWR
• Sustainability: Recycled materials, bluesign® approved

Recommendations

For optimal hydration on long runs, pair with an Osprey Hydraulics reservoir (sold separately). The vest fits true to size; refer to chest measurement for best fit.