The Ultimate Direction Running Hydration Vest from the Scott Jurek Collection is a small, active vest designed for avid runners. With a volume of 22 fl oz, this vest is perfect for staying hydrated during long runs. Made of durable nylon material in a sleek gray color, this vest is both practical and stylish. The vest features a height of 17 inches and is a must-have for any fitness enthusiast looking to stay hydrated and comfortable during their workouts. Made in Vietnam, this vest combines quality craftsmanship with a focus on active lifestyle.