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Osprey Packs
500ml Soft Flask

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Why We Like The 500ml Soft Flask

Trail runners know hydration is of utmost importance. That's why we stock up our vests with the 500ml Soft Flask from Osprey. Its pleasantly light design lets us carry more water with less weight. And since it's soft, the more water we drink, the smaller it gets, meaning less to weigh us down.


  • Light flask to finish your trail running kit
  • 500mL capacity is plenty to keep the H20 dripping
  • Soft design shrinks as you drink to save space
  • Item #OSPZ1DZ
TPU film
17fl oz
9 x 4 x 1in
Claimed Weight
backpacking, hiking
Manufacturer Warranty