Conquer long distances with the ultimate running partner: the MP Hydration Vest & Soft Running Bottles Bundle. Designed for serious runners, this vest offers ample storage for all your essentials, including your phone, keys, gels, and water bottles. The included soft running bottles are engineered for practicality, featuring a flexible design that fits conveniently into pockets and shrinks as you drink, making them ideal for running. This duo is perfect for training and race day, ensuring you stay hydrated and prepared. Key Features: * Ample storage for running essentials * Includes two soft, flexible running bottles * Bottles shrink as you drink for convenience Sizing: * Small: Chest 38-40" (96-101 cm) * Medium: Chest 40-42" (101-106 cm) * Large: Chest 42-44" (106-111 cm) Product Summary: MP hydration vest, running bottles, running gear, long distance running, hydration pack, training equipment, adult.