Osprey - Duro 1.5 with 1.5L Reservoir

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Osprey - Duro 1.5 with 1.5L Reservoir

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Training, racing, and more. The Duro 1.5 is a svelte hydration companion perfect for training runs, long races, or streamlined days in the mountains. While it may be the smallest volume vest-pack in this series, it will carry you further than you ever imagined. With a body-hugging fit that provides bounce-free carry, smart and accessible organization for fuel and gear, and an included Hydraulics® LT 1.5L reservoir that can be supplemented with soft flasks, the Duro 1.5 helps you focus on what matters most: continuous forward motion.


  • Included Osprey Hydraulics® 1.5 LT reservoir with QuickConnect and sternum strap magnet for bite valve
  • Front panel zippered internal reservoir sleeve
  • Front panel zippered slash pocket
  • Accessible dual lower side panel zippered stretch mesh pocket
  • Lower stabilizing/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


  • Volume: (S/M) 1 L; (M/L) 1.5 L
  • Dimesions: (S/M) 14.6 x 9.8 x 2.8 in; (M/L) 16.5 x 9.8 x 2.8 in
  • Weight: (S/M) 0.60 lbs; (M/L) 0.62 lbs
  • Main Fabric: 70D x 140D Nylon Triangle Ripstop
  • Accent Fabric: 320Gr Nylon Stretch Mesh
  • Bottom Fabric: 200Gr Nylon Stretch Mesh

WARNING: This product can expose you to chemicals including dimethylformamide, which is known to the State of California to cause cancer. For more information, go to oehha.ca.gov/proposition-65/about-proposition-65

Additional Information

Intended Use Running

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