The UltraFlask™ is an ideal complement to the PFV and other packs. The dimensions on the 450ml is taller than the 600ml, so we do generally suggest the 600ml for most packs.
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!
- Soft flask, 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
- 42 mm sport cap with silicone bite-valve
- Can be frozen or filled with warm water (max temp 140°F / 60°C)
- 100% BPA and PVC Free
- Durable, built for a lifetime of tough use, No-Leak™ Guarantee
- CAPACITY: 15 fl oz
- WEIGHT: 1.3 oz (37 g)
- DIMENSIONS: 8.75 x 2.25 (22.23cm x 5.72cm)
- MATERIAL: 0.25 mm TPU, HDPE
- 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.