The Nathan Fanny Pack Hydration Belt is a practical and versatile accessory for both running and hiking. Made from durable polyester and nylon materials, this waist belt features an adjustable strap for a customized fit. The sleek black color and Nathan branding make it a stylish and functional choice for outdoor activities, holding up to 1 water bottle securely in place while you focus on your fitness goals. This hydration belt is a must-have for those who enjoy staying hydrated and comfortable during their workouts.