UltraFlask 500ml: Flexible, No-Slosh Hydration
The UltraFlask 500ml soft flask is your perfect hydration companion, designed for seamless integration with Orange Mud packs. Its body-conforming, super-soft material fits any pocket, providing on-the-fly access with a convenient 4" hose.
Dynamic Performance, Easy Hydration
This flask shrinks as you drink, actively reducing water sloshing for a quiet, stable carry. Its versatile design allows use with or without the tube, even mounting the bite valve directly to the cap. Fill it easily with ice cubes thanks to the wide 42mm sport cap.
Built Tough for Any Adventure
Durable and resilient, the UltraFlask can be frozen or filled with warm water (up to 140°F / 60°C). Made from 0.25mm TPU, HDPE, it's 100% BPA/PVC-free and comes with a No-Leak™ Guarantee.
Capacity: 500ml (17oz) | Weight: 1.4 oz. Your go-to for light, versatile, and secure hydration.
Features
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BODY CONFORMING SOFT FLASK - Soft flask, super soft material conforms to any pocket
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ANTI-SLOSH - Shrinks as you drink, reducing water sloshing
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VERSATILE DESIGN - Use with or without tube, option to mount bite valve directly to cap
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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
Specifications
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CAPACITY: 500ml / 17oz
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WEIGHT: 1.4 oz (40 g)
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DIMENSIONS: 7.25 x 2.6 (20.96cm x 6.6cm)
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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.