Ultraflask, 500ml soft flask, 17 oz, by Orange Mud

Rated 5.0 out of 5
1 Review
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  • Regular price $32.99

Looking for a 500ml soft flask to compliment one of our existing products? The UltraFlask 500ml works in all of our packs that have a front chest pocket. You can quickly stash the flask in your front chest pocket for access on the fly 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 is! 


  • BODY CONFORMING SOFT FLASK - Soft flask, super soft material conforms to any pocket
  • ANTI-SLOSH - Shrinks as you drink, reducing water sloshing
  • VERSATILE DESIGN - Use with or without tube, option to mount bite valve directly to cap
  • FULL SIZE ICE CUBE FRIENDLY - 42 mm sport cap with silicone bite-valve
  • Can be frozen or filled with warm water (max temp 140°F / 60°C)
  • Durable, built for a lifetime of tough use, No-Leak™ Guarantee


  • CAPACITY: 500ml / 17oz
  • WEIGHT: 1.4 oz (40 g)
  • DIMENSIONS:  7.25 x 2.6 (20.96cm x 6.6cm)
  • MATERIAL: 0.25 mm TPU, HDPE, 100% BPA and PVC Free

Care Instructions

  • Rinse before use. Dishwasher safe (top rack recommended).
  • Note that the hose is held in place by a press fit plug on the bottom of the cap. If you want to take it apart to clean, just pull the hose firmly off the cap, being careful not to lose the plug. 

average rating 5.0 out of 5
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1 Review
Rated 5 out of 5
Review posted


The flask are easy to fill and clean. Once the flask is filled, let all the air out of the flask and you will eliminate any noise from the liquid moving.

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