The Ultra Belt from Camelbak is the ideal hydration belt for light runs. Containing a 500 mL flexible bottle that conforms to your body, the Ultra Belt allows you to perform without discomfort. Equipped with Micro Mesh 3D technology, the hydration belt is lightweight and breathable. The Ultra Belt is also reflective for early morning or nighttime runs. 4 external pockets complete this belt, allowing you to carry the essentials. Finally, once the bottle is empty, you can fold it to save space in your Ultra Belt.