UltraFlask 600ml: Flexible, No-Slosh Hydration
The UltraFlask 600ml soft flask is your ideal hydration companion, designed to integrate seamlessly with Orange Mud packs. Its body-conforming, super-soft material fits any pocket, offering 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 comes with a No-Leak™ Guarantee.
Capacity: 600ml (20 fl oz) | Weight: 1.5 oz. Your go-to for light, versatile, and secure hydration.
Specifications
- CAPACITY: 600ml / 20 fl oz
- WEIGHT: 1.5 oz (43 g)
- DIMENSIONS: 8.25 x 2.6 (20.96cm x 6.6cm)
- MATERIAL: 0.25 mm TPU, HDPE
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.
Frequently Asked Questions
What makes the UltraFlask different from a regular water bottle?
The UltraFlask is a soft, flexible flask that shrinks as you drink, reducing water sloshing for a stable, quiet carry. Its lightweight, body-conforming design fits any pocket or Orange Mud pack for hands-free hydration.
Can I use the UltraFlask with or without the hose?
Yes! The UltraFlask is versatile; you can drink directly from the flask or connect the bite valve to a hose for convenient access during runs, rides, or hikes.
How do I clean and care for the UltraFlask?
Rinse before use and wash on the top rack of your dishwasher if needed. The hose is easily removable for cleaning; just pull it gently from the cap, taking care not to lose the plug.
Is the UltraFlask durable enough for freezing or hot liquids?
Absolutely. Made from 0.25mm TPU and HDPE, the UltraFlask can be frozen or filled with liquids up to 140°F (60°C), and comes with a No-Leak™ Guarantee.
What size is the UltraFlask, and how much does it hold?
This model holds 600ml (20 fl oz) and weighs only 1.5 oz (43 g), making it ideal for ultrarunning, trail running, mountain biking, or any adventure where light, secure hydration is key.