The Brooks Cascadia Running Belt is designed for long-distance trail runners who need a lightweight, secure way to carry their essentials. Boasting a 2-liter volume, this running belt features four total pockets, including a secure zippered pocket, to keep everything from keys to energy gels neatly organized. It's crafted with a breathable construction that weighs a mere 47 grams, ensuring a barely-there feel even on your longest runs. The belt also has the capacity to hold a 500mL soft flask (sold separately), making on-the-go fueling and hydration a breeze. With its secure, comfortable fit, this running belt remains steadfast over long distances, letting you focus on beating your personal best.