Nike ✔️Challenger Running Waist Pack Black/Black/White One Size. When you're running, you just need the basics at hand. With a contoured, lightweight design to reduce bouncing, this pack is ready to be your pacer. FIT & DESIGN: Secure zip pocket features an internal divider to keep things organized. Reflective graphic decorates the front of the bag. Strap is adjustable for comfort. Condition is Brand New, With Tags. Shipped USPS Ground Advantage Package.