Osprey Duro Pro 10 Running Vest - Cascade Blue, Size M

With a 10-liter capacity and weighing just 600 grams, the Osprey Duro Pro 10 is a featherweight trail-running pack that carries two 500ml soft flasks and all your essentials without bounce.

Overview

The Duro Pro 10 is a vest-style hydration pack built for trail runners and fastpackers who demand a body-hugging fit and quick access to gear. Its main compartment opens from the top with a zipper, while multiple stretch mesh and zippered harness pockets keep nutrition, phone, and layers within reach. The backpanel uses contact mesh for breathability, and upper side compression straps stabilize the load on technical terrain.

What stands out

• Includes two 500ml Osprey Hydraulics soft flasks—just fill and go.
• Dual adjustable and removable sternum straps dial in a precise, bounce-free fit.
• Stow-on-the-Go™ trekking pole attachment lets you stash poles without removing the pack.
• Reflective graphics and a safety whistle enhance visibility and security in low light.
• Internal sleeve accepts up to a 1.5L reservoir (sold separately) for longer outings.

Technical details

• Capacity: 10 liters
• Weight (vest only): 0.6 kg
• Dimensions (H x W x D): 42 x 23 x 20 cm
• Main fabric: 320Gr nylon stretch mesh; accent/bottom: 200Gr nylon stretch mesh
• Fit: Unisex, vest-style; size M
• Color: Cascade Blue
• Hydration: 2 x 500ml soft flasks included; reservoir compatible up to 1.5L
• Pockets: Multiple stretch mesh and zippered harness pockets
• Compression: Upper side compression straps
• Safety: Reflective graphics, whistle

Our verdict

The Duro Pro 10 balances featherweight comfort with enough storage for all-day mountain missions. Its vest-style fit and included flasks make it a ready-to-run hydration solution for serious trail athletes.