The Duro 15 is built for big days where your pack is the only aid station you'll find.

For runners more interested in routes than races, with plenty of room for all-day or even multi-day kits. Whether you sip bottles or use a reservoir, the Duro 15 will keep you company and see you through the longest of days. Convenient features, like 15 liters of capacity, hipbelt pockets, included hydration, soft flask compatibility (or use both for long, water-scarce routes), and bounce-free carry, this is the pack for aspiring ultrarunners and adventurers everywhere.

Built For Speed
Vest-pack fit provides bounce-free stability and purpose-built for incredible comfort so you can focus on FKT's and PR's.

Hydration Included
Bottles, reservoirs, and add-on flexibility for short runs, long runs, and everything in between. You decide what you need. Duro/Dyna makes it possible.

Easy Gear Access
Pockets up front for quick access to fuel and soft flasks, trekking pole storage when you need to use your hands as much as your feet to move forward, and room for rain gear and extra layers.


Included Osprey Hydraulics 2.5 LT reservoir with QuickConnect and sternum strap magnet for bite valve

Front panel zippered main compartment and separate zippered internal reservoir sleeve
Front panel zippered slash pocket

Accessible dual lower side panel zippered stretch mesh pocket

Lower stabilising/expansion compression straps
Snap-in adjustable/removable dual chest straps for customized stability
Vertical zippered harness slash pocket for valuables or phone

Dual extra-large stretch mesh soft flask/food harness pockets
Dual lower stretch mesh food/supplement harness pockets
Trekking pole attachment

Tuckaway safety whistle

Front panel stretch mesh compression pocket
Hipbelt stabilizing wrap with zippered pockets


  Volume Dimensions Weight
Small/Medium 793 IN3 / 13 L 43H X 22.0W X 21D CM 0.51kg
Medium/Large 915 IN3 / 15 L 48H X 22.0W X 21D CM 0.53kg


Main 70D x 140D Nylon Triangle Ripstop
Accent 320Gr Nylon Stretch Mesh
Bottom 200Gr Nylon Stretch Mesh

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