Osprey Hydraulics Soft Flask 500ml

$ 22.50
$ 22.50
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SKU 10004301
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Add-on or aid replacement for vest-pack harness pockets.


  • 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.


  • FULL AIRMESH HIPBELT (15L ONLY) - Mesh covered, die-cut slotted foam harness, Slotted adjustable sternum strap with safety whistle, Stretch woven harness pocket (s)
  • FULL AIRMESH BACKPANEL - Breathable mesh wrap with soft, irritation-free contact surface
  • BODY WRAP HARNESS - Adjustable and removable dual chest straps for additional stability, Front harness gear- and food-organization pockets, Breathable mesh wrap with soft, irritation-free contact surface, Die-cut eva foam for larger loads (15L only)


  • VOLUME - 17 IN3 / 0.5 L
  • DIMENSIONS - 7.76H X 4.25W X 0D IN.
  • WEIGHT - 0.088 LBS.