Insulated softbottle using foam to keep your drinks cooler for longer.
New: our first insulated flask.
An insulated version of our lightweight UltraFlask 500ml flask, the UltraFlask IT 500ml features our new IsoBound technology. Engineered to keep fluids at an ideal temperature 38% longer than a standard flask. The four-layer design provides users with more stability, an enhanced grip, and a no-sweat, comfortable carrying experience without sacrificing the simplicity. Preventing heat transfer from the user to the hydration, it is the ideal solution for a wide range of outdoor endurance activities.
Hydrapak's Ultraflask IT has insulating foam seamlessly integrated into the dual walls of the bottle. It's still really soft and flexible, allowing you to stow it away into the smallest corners of your pack when not needed. You also get two choices of lids with one with an extended straw and one normal bite valve which is great for the price.
- Reviewed by Ultralight Outdoor Gear
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