This Nathan Race Number Nutrition Waistbelt in black is the perfect accessory for runners and joggers. With its adjustable size feature, it can fit small-sized individuals comfortably. The belt pack has one pocket for convenient storage and is made of durable nylon material. The belt is suitable for both men and women and is designed for running and jogging activities. It has a sleek and modern design that will look great on any runner. The hidden compartment is not included, but it is a great feature to have. Get this Nathan Race Number Nutrition Waistbelt and enjoy a comfortable and convenient running experience.