The ultimate high performance bottle, designed to give quick access to hydration when running, biking, skiing and every sport in-between. Lightweight, flexible, and easy to carry the ULTRAFLASK collapses as you drink. This eliminates sloshing and allows you to pack the empty flask tightly away. The patented, spill-proof, self-sealing, bite-valve generates an exceptional water flow and is easy to remove for cleaning.
Small parts. Not for children under three (3yrs).
The best way to keep your ULTRAFLASK in top-notch shape is to clean it with soap and water and let it dry completely after every use. Feel free to reach out to our Customer Service team if you have any questions at customerservice[at]uswe-sports.com
The material used in most our bladders, Thermoplastic Polyurethane (TPU), is chosen for superior durability and flexibility. It is porous and can be stained like fabric. Staining is generally caused by food coloring used in gel or liquids and does not affect the functionality of the product; yet can be difficult to remove. A company called Clean Ethics has engineered a chlorine free, non-toxic, and biodegradable tablet that is safe for virtually any surface, called Bottle Bright. We recommend using this product to combat stains and odors in your USWE® bladder.
Some users may initially notice a plastic-like taste when using any of our products made with TPU. This taste typically subsides over time and can be eliminated by simply squeezing juice from a lemon into the product, filling it with water, and then freezing it. After frozen, remove, thaw, and rinse.
Product care inquiries contact via e-mail:
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