Experience a seamless run with the Nathan Stealth 1 L Running Vest, expertly designed for the dedicated runner. Whether you're tackling a city marathon or navigating rocky trails, this vest ensures you stay hydrated with two 17oz HydraPak oval-shaped soft flasks. Enjoy a perfect fit with its full front locking zipper, side elastic cords, and toggle locks for micro-size adjustments. The vest is crafted from perforated four-way stretch woven fabric for maximum breathability, while its four expandable power mesh front pockets offer quick access to your essentials. For extra security, there's an additional zippered pocket to safely store valuables. Take your running adventures to the next level with this versatile running vest.