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Shrinks as you drink.
The Hydrapak SoftFlask 350 collapses as you drink it, making it convenient for runners, cyclists, and mountain adventurers. When it's completely full, the Softflask still fits into most stash pockets on running shirts. Its wide screw cap is easy to fill, and the twist lock ensures that it won't leak. The soft silicone bite valve is easy to use on the fly.
- Collapsible TPU construction
- Wide screw cap with twist lock
- Soft silicone bite valve
- BPA and PVC free
- Dishwasher safe
- Item #HPK000C
- Q & A
Still haven't used it...
- Familiarity: I've used it once or twice and have initial impressions
Honestly, I don't get it. I don't see the benefit. Sounds cool, but the final product is somewhat useless for me anyway...my 7 year old daughter uses it now just to play around the house.