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The USWE Ultraflask 500ml is a lightweight, soft hydration flask designed to keep you fueled and focused on the ride. With a flexible body that compresses as you drink, it minimizes sloshing and saves space in your pack or running vest. The 500 ml capacity offers a practical balance between carrying enough fluid and keeping weight low, making it ideal for mountain biking, gravel adventures, endurance rides, and multi-sport training sessions.
This Ultraflask typically features a soft bite valve for easy, one-handed drinking on the move, helping you stay hydrated without breaking your rhythm. Its low-profile shape is made to slide smoothly into most hydration pack pockets and front chest straps, especially those from USWE, but it also works well in many other running or biking vests. The soft construction is comfortable against the body, reduces noise, and can be rolled or folded when empty for compact storage. Whether you are racing, training, or exploring new trails, the USWE Ultraflask 500ml is a reliable, convenient hydration solution that supports longer, more enjoyable days in the saddle.
