The On Running Ultra Vest Pro is designed for trail runners seeking a lightweight and efficient hydration solution for long-distance efforts. This vest ensures a secure, no-bounce fit, allowing you to move confidently over challenging terrains.
Featuring breathable mesh construction, it includes dual front pockets with 500 ml Hydrapak soft flasks for quick hydration. Multiple pockets provide organized storage for essential gear, while a removable dry pack offers additional water-resistant space for extra layers.