Ultraflask by Hydrapak 600ml


Out of stock

The UltraFlask is an ideal for use with the Endurance Pack, Hydraquiver Vest Packs, Gear Vest, and Adventure Pack. You can quickly stash the flask in your front chest pocket for access on the run plus it comes with an optional use 4″ hose. Quickly take it off if you just want the bite valve, or if you want the hose leave it as it is.


  • Super soft material conforms to any pocket
  • Shrinks as you drink, reducing water sloshing
  • Use with or without tube, option to mount bite valve directly to cap
  • 42mm sport cap with silicone bite-valve
  • Can be frozen or filled with warm water (max temp 140F / 60C)
  • 100% BPA and PVC Free
  • Durable, built for a lifetime of tough use
  • No-Leak Guarantee


  • Capacity: 600ml
  • Weight: 43g
  • Dimensions: 21cm x 6.6cm
  • Material: 0.25mm TPU, HDPE

Care Instructions:

Rinse before use.

Dishwasher safe (top rack recommended)


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