The Nike Expandable Lean Running Waistpack is ideal for carrying your small essentials whilst exercising. The waistpack is designed with a stretch mesh fabrication, providing breathability, a light weight, and also the possibility to expand, if you need more room. The adjustable elastic belt provides a secure and comfortable fit, helping you to focus on your run. The main storage of the waistpack is big enough to hold keys, money and other small essentials. High contrast patterns provide visibility in low light conditions.